pasway Tandem Speed Dual Pulley Zip Line Trolley 30KN with Climbing Mountaineering Buckle Carabiner (A - Red);

Detail: 
Pulley Material: High strength stainless steel ball bearing and aluminum body
Carabiner Material: High strength stainless steel
Shape: Heart-shaped 
Pulley Size: Length:106mm/ 4.2", Width: 88mm/ 3.5", Thickness: 28mm/ 1.1" 
Max rope diameter: 13mm/ 0.5" 
Max cable diameter: 12mm/ 0.36"
Hole diameter: 18mm/ 0.7" 
Heart-shaped hole size: 37 x 20mm/ 1.5 x 0.8" 
Max load: 30KN 
Weight:284G 

Pulley Breaking Strength: 30KN
Closed Strength: 6700lbs / 30KN ï¼› Maximum allowable speed: 35 m/s

Carabiner Breaking Strength:
Long axis --25KN (Maximum bearing capacity: 5511 lb)
Short axis --7KN (Maximum bearing capacity: 1543 lb)
Unlock --10KN (Maximum bearing capacity: 2204 lb)

This dual climbing pulley is light weight, fast and excellently durable. The cable trolley has aluminum side plates with smooth rounded edges, two stainless steel sheaves with sealed stainless steel ball bearings prevent from twisting, thus providing higher speed, efficiency and safety. This pulley not only compatible with steel cable, but also on rope.