Double Pulley Block (2x608) – 1:4 Pair Set

Print two to build a compact 1:4 advantage system.
Choose Zero axle (no bolts) or M4 hardware variant.

A larger double wheel pulley block for paracord jobs. Create two of these pulleys to work together and achieve an impressive 1:4 mechanical advantage. For example, a set of these pulleys are capable of lifting 40 pounds with only 10 pounds of downward pull.

Light duty - 25 lbs successfully tested

Required Hardware 

Compression Fit Axle Model

2x - 608 bearing

M4x16 Model 

2x - M4 16mm hex socket cap bolt
2x - M4 hex nut
2x - 608 bearing

Design by SecretGarden on MakerWorld (license: BY-SA).