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Explore expert tips, industry updates, and in-depth guides on arborist gear, safety practices, and climbing techniques. At Endor’s Arborist & Rope Supply, we provide valuable insights to help tree care professionals stay safe, efficient, and well-equipped for any job. Check out our latest articles to stay ahead in the field!

  • The small version is now manufactured using Hot Forged Technology, combined with high quality materials and components.  These blocks are rope friendly, durable and extremely robust.  These features combined give maximum security and strength, when the block is rigged as part of an impact system.

    Apart from the aesthetically pleasing curves, the ISC impact pulley is designed to work (together with textiles) to absorb the huge forces which are created by the harsh dynamics of heavy Arborist work.  The side plates are produced using the best quality hot forged Aluminum and the special manufacturing process allows these pulleys to offer a highly impressive strength to weight ratio.

    • Rope diameter range (mm)    Max 13mm (1/2") Working Line. Max 19mm (3/4") Topping Strop
    • (WLL) Working Load Limit (kg)    2000
    • (WLL) Working Load Limit (lbs)    4400
    • Pulley wheel color    Grey
    • Anchor wheel color    Red
    • Wheel material    Aluminum
    • Finish    Powder coated
    • Color    Red
    • Weight (grams)    1540
  • Impact Block XS Pink Compact, lightweight and highly efficient - Double security at the anchor bollard - interlocking bollard features and threaded axle - Large sheave diameter and efficient bearings make this block ideal for both everyday rigging and winch operations (e.g. with capstan winches) - Hollow axle facilitates configurations beyond the previous standard - Hauling loop simplifies hauling, transfer and storage - Highly evolved fairleads flairs help maintain efficiency even in suboptimal set ups - Serviceable by manufacturer e.g. bearing replacement TECH SPECS: WEIGHT:708g  MBS:100kN  WLL:20kN MAX ROPE DIAMETER: 16mm MAX SLING DIAMETER: 20mm DIMENSION (W X H X D):137 x 82 x 55mm  CONFORMANCE       EN12278:2007  
  • The medium versions are now manufactured using Hot Forged Technology, combined with high quality materials and components.  These blocks are rope friendly, durable and extremely robust.  These features combined give maximum security and strength, when the block is rigged as part of an impact system.

    Apart from the aesthetically pleasing curves, the ISC impact pulley is designed to work (together with textiles) to absorb the huge forces which are created by the harsh dynamics of heavy Arborist work.  The side plates are produced using the best quality hot forged Aluminium and the special manufacturing process allows these pulleys to offer a highly impressive strength to weight ratio.

    • Rope diameter range (mm)    Max 19mm (3/4") Working Line Max 29mm (1+1/4") Topping Strop
    • (WLL) Working Load Limit (kg)    3000
    • (WLL) Working Load Limit (lbs)    6600
    • Pulley wheel colour    Green
    • Anchor wheel colour    Red
    • Wheel material    Aluminium
    • Finish    Powder coated
    • Colour    Blue
    • Weight (grams)    2166
  • The medium version is now manufactured using Hot Forged Technology, combined with high quality materials and components.  These blocks are rope friendly, durable and extremely robust.  These features combined give maximum security and strength, when the block is rigged as part of an impact system.

    Apart from the aesthetically pleasing curves, the ISC impact pulley is designed to work (together with textiles) to absorb the huge forces which are created by the harsh dynamics of heavy Arborist work.  The side plates are produced using the best quality hot forged Aluminium and the special manufacturing process allows these pulleys to offer a highly impressive strength to weight ratio.

    • Rope diameter range (mm)    Max 16mm (5/8") Working Line Max 25mm (1") Topping Strop
    • (WLL) Working Load Limit (kg)    3000
    • (WLL) Working Load Limit (lbs)    6600
    • Pulley wheel colour    Orange
    • Anchor wheel colour    Red
    • Wheel material    Aluminium
    • Finish    Powder coated
    • Colour    Blue
    • Weight (grams)    2160
  • Clear zinc-plated steel sideplates, 2 3/4" aluminum sheave, bushing, and stainless steel axle.
    • Part# RP145 MBS: 25,000 lbs SWL: 5,000 lbs Sheave Diameter: 2.75” Max Rope Diameter: 3/4” Weight: 3 lbs 10 oz Body material: Zinc-Plated Steel Sheave Mechanics: Oilite Bronze Bushing Sheave Material: Aluminum Width: 4” Height: 6.50” Depth: 1.601”
  • Stainless steel sideplates, 3"aluminum sheave, bushing, and stainless steel axle.
    • MBS: 16000lbs
    • Rope Capacity : 5/8"
  • Stainless steel sideplates, 4"aluminum sheave, bushing, and stainless steel axle.
    • MBS: 16000lbs
    • Rope Capacity : 5/8"
     
  • Stainless steel sideplates, aluminum sheave, bushing, and stainless steel axle.
    • MBS: 28000lbs
    • Rope Capacity: 5/8"
    • Size: 6.5x4in
    • Weight: 2.6l
  • High strength in a compact design.  Stainless steel sideplates, 2 3/8" aluminum sheave, needle bearing, and stainless steel axle.
     
    • MBS: 8500lbs
    • Rope Capacity: 5/8"
    • Size 4.25x3.25in
  • Stainless steel side plates, 2 3/8" aluminum sheave, bushing, and stainless steel axle.
    • MBS: 8500lbs
    • Rope Capacity: 5/8"
    • Size:5.75x3in
  • Same as the RP137, in a double configuration.  Purple anodized aluminum sideplates, two 1 1/4" aluminum sheaves, bushing, and aluminum axle. MBS: 7000lbs
  • Introducing CMI's newest mini arborist block, the RP162. Weighing in at only 1 pound, the RP162 delivers an impressive MBS of 21,900 lbs. It has a 1/2" rope capacity and is currently the smallest and strongest block of its kind on the market. A screw in top knob ensures a positive lock. SS axles, aluminum sideplates and wheels round out the package.
    • Height  4"
    • Width  2 1/4"
    MBS: 21,900lbs
  • Pulleys in the new Prussik range have fully load-rated Beckets, which are large enough to allow a Carabiner to rotate fully.
    • Compatible with rope diameter (mm)    max 13mm (1/2")
    • (MBS) Minimum Breaking Strength (kN)    40
    • (MBS) Minimum Breaking Strength (lbf)    8992
    • Wheel material    Aluminium
    • Finish    Anodised
    • Colour    Red
    • Weight (grams)    340
    • Weight (ounces)    12
  • Pulleys in the new Prussik range have fully load-rated Beckets, which are large enough to allow a Carabiner to rotate fully.
    • Compatible with rope diameter (mm)    max 13mm (1/2")
    • Wheel material    Aluminium
    • Finish    Anodised
    • Colour    Red
  • The RP290 Rigging Rope Wrench is a lowering device suitable for loads up to 70kg (154lbs). The RP290 uses a bearing to apply friction to the lowering line whilst anchored at the top of a tree. This makes it controllable from both ground level or at height which is useful for smaller crews and on job multi-tasking. Rope diameter range (mm) 13 Compatible with rope diameter (mm) 13 Working Load Limit (kg) 70 Working Load Limit (lbs)154 (MBS) Minimum Breaking Strength (kN)30 (MBS) Minimum Breaking Strength (lbf)6744 Bearing type Bush The RP292 Rigging Rope Wrench is a lowering device suitable for loads ranging from 20 to 120kg (44-264lbs).  The RP292 is fitted with a one-way locking wheel, which provides additional friction when lowering, allowing increased control of heavier loads. During lifting, the wheel runs freely. Rope diameter range (mm) 13 Compatible with rope diameter (mm) 13 Working Load Limit (kg) 20 -120 Working Load Limit (lbs)40 - 264 (MBS) Minimum Breaking Strength (kN)30 (MBS) Minimum Breaking Strength (lbf)6744 Bearing type:  BEARING
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