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CMI 3" Knot-Passing Pulley - 1/2" Rope - #RP143

CMI 3" Knot-Passing Pulley - 1/2" Rope - #RP143
SKU: CMI-RP143MPN: RP143GTIN/UPC: 000194355351
  • USUALLY SHIPS: 1 - 2 Days
  • Made in the United States of America!
Purchase over $300 of CMI products and use Promo Code: CMI10 to receive a 10% discount off your order total! *Restrictions may apply

Product Description

  • The smallest and strongest knot-passing pulley on the market today
  • A popular choice for rescue teams
  • Multiple holes that function as additional attachment points
  • Unique sideplate design allows the pulley to function as an edgeroller in a pinch
  • Comes with a pin to lock sheave and prevent turning
  • Stainless sideplates
  • Aluminum sheave with stainless steel axle


4.25" x 8.5"
Frame Size
Rope Size
Sheave Size
Single Sheave
Stainless Steel / Aluminum
Breaking Strength (lbs)
Weight (lbs)

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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.