Kong 1" Rescue Pulley The Micro Pulley is made of aluminum with a nylon wheel. Sheave diameter allows pulley to accommodate 3/8" thick rope. Know as a Prusik  minding pulley.

Not suitable for use in a tyrolean traverse.

Specifications:

• Wheel Dia: 1 5/8"
• Length: 3"
• Width:2"
• Weight: 80 g
• Strength: 30 kN 1 kN = 225 lbs of force.