Product Description
The CMI MA KIT 3:1 Mechanical Advantage System is a compact, powerful haul system designed to give you greater lifting efficiency when rigging, rescuing, or tensioning. With a 3:1 mechanical advantage, this kit significantly reduces the effort required to move heavy loads—perfect for arborists, rope techs, or rescue professionals working in the field.
This system features CMI's premium 2" aluminum pulleys and a mix of steel and aluminum locking carabiners, all made in the USA for dependable, long-term performance. Just add your own rope and you're ready to deploy.
Features & Benefits:
- 3:1 Mechanical Advantage – Triples your pulling power for lifting or tensioning applications.
- Includes CMI RP102D and RP111 2" Pulleys – Smooth-running, durable aluminum pulleys designed for professional use.
- Includes (1) BINER6 Steel & (1) BINER2 Aluminum Locking Carabiner – Reliable, secure connections in a lightweight, balanced setup.
- Lightweight and packable – Ideal for quick deployment in rescue kits or rigging bags.
- Made in the USA by CMI – Trusted by arborists, climbers, and rescue teams worldwide.
Specifications:
- Pulleys: RP102D and RP111 (2" aluminum sheaves)
- Carabiners: (1) BINER6 steel locking, (1) BINER2 aluminum locking
- Mechanical Advantage: 3:1
Note: This kit includes pulleys and carabiners only. Rope is not included.
The CMI MA KIT 3:1 is a smart, field-ready solution for professionals who need a lightweight, pre-configured system to move loads with ease and control.
Specifications
Safety Notice
Although Bishop Lifting 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. Bishop Lifting disclaims any liability resulting from the misuse of its rigging and safety gear. Please take a moment to more thoroughly review our disclaimer.
Bishop Lifting 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, Bishop Lifting disclaims liability for any misuse or incorrect product selection by our customers.
Rigging and safety gear purchased from Bishop Lifting 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.