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CMI Aluminum Compact Arborist Rigging Block - 3/4" Rope - #RP160

CMI Aluminum Compact Arborist Rigging Block - 3/4" Rope - #RP160
  • This product is eligible for FREE SHIPPING.
  • USUALLY SHIPS: 1 - 2 Days
  • Made in the United States of America!
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Product Description

The Perfect Blend of Small Block & Large Capacity!
If you're looking for a compact arborist block with big performance capability, then this is the one! For use with up to 3/4" rigging lines, this block boasts a beefy 51,000 lbs Breaking Strength. Easy push and turn to open the block. The sideplates are made from orange 7075 alloy with a 3" aluminum sheave. Proudly made right here in the USA!

  • Aluminum sideplates
  • Aluminum sheaves
  • Bushing
  • Stainless axle


5.5" x 3"
Frame Size
Micro / Compact
Rope Size
Sheave Size
Arborist Blocks
Aluminum Alloy
Breaking Strength (lbs)
Weight (lbs)

Questions & Answers

1 Question & 1 Answer
from NY asked:
July 5, 2021
Can this block be used with 3/8" wire rope?
1 Answer
No, it's made for soft rope and has an aluminum sheave that would be damaged by steel cable.  You may want to look at the Skookum SK4M or the R-4 rigging blocks.
Submitted by: WRS on July 9, 2021

Product Reviews


Safety Notice

WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov
Although Westech Rigging Supply strives to manufacture and sell the highest quality rigging and safety gear, use of the gear is dangerous if not used correctly by competent trained professionals. Westech Rigging Supply disclaims any liability resulting from the misuse of its rigging and safety gear. Please take a moment to more thoroughly review our disclaimer.

Westech Rigging Supply rigging and safety gear is only intended to be used by competent trained professionals. Misuse of the rigging and safety gear can result in serious injury up to and including loss of life. As such, Westech Rigging Supply disclaims liability for any misuse or incorrect product selection by our customers.

Rigging and safety gear purchased from Westech Rigging Supply should be used in strict accordance with all industry and OSHA standards. At no time should rigging or safety gear be used beyond its certified load ratings (aka Working Load Limits). Normal wear and tear should be expected with use of rigging and safety gear; therefore, all gear should be thoroughly inspected before each and every use. Worn or unsafe rigging and safety gear should never be used.