Pulley Defender Kit Slide Locking its resistance is sufficient for

its resistance is sufficient for an intensive and repeated use

The triple action lock is simple to use and automatically re-locks once fully closed

5 rubber compound for superior grip and improved durability

Adjustable leg loops allow for a fine-tuned fit

Pulley Defender Kit Slide Locking its resistance is sufficient forCreate your own 9: 1 block and tackle using 4 SMC 3" PMP double pulleys (sold separately). Connect 2 pulleys together with the provided bolts, washers, and steel D shackle to create the blocks. Each block is safely contained within its own protective 3D printed housing made out of flexible TPU with internal shock absorbing structure!