Double Pulley for Hauling System Climbing Rescue Multipurpose. Lightweight, compact, strong and durable Fit for maximum diameter of rope: 15mm. NOT suitable for steel wire Mounted with double sheave ball bearings for higher efficiency and smoothness 360 degree rotatable. Swing plate makes the rope installation and removal much easier. Various applications: Rock climbing, exploring, rappelling, hauling, tensioning, dragging, pulling system, lifting loads, arborist, tree working, caving, rescue, engineering protection, ski patrol, aerial work and so on Size (L x W x T): Approx. 5.91 x 3.15 x 2.17 inch/15 x 8 x 5.5 cm Upward Strength: 32KN / 7100 lbs Downward Strength: 16KN Colour:As Shown Material:Aluminum Alloy Package Contents: 1 * Double wheel pulley Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.