Made of 12 Strand UHMWPE Synthetic Rope and 7075 Aluminum Alloy, Light weight, Stronger than Traditional Snatch Block. 45,000Lbs Breaking Strength Snatch Ring and 35,000Lbs Breaking Stength Soft Shackle Ideal and Great Performance for Full-size Truck, Large SUVs, Offroad Vehicels. MAX Winch Rope Size : 9/16" (14mm) Easy Attched to Recovery Rope, Tow Strap and Winch Rope. Stronger and Light weight than Same Level Pulley Block.