Use to build a swing

3mm)Foot tread Belt(0

[DURABLE]:Maximum breaking force test: 21KN

safe to install it

NewDoar 30KN CE Certified Large Rescue Pulley Single Sheave with Swing Plate-Blue Rappelling Gear Use to build a swing[Material] Anodized light alloy Swing side plates and pulleys for easy and rapid rope installation and removal! Net Weight: 0. 6 Ib(270g); Dimensions: 3. 23"W(8. 1 cm) * 4. 8"L(12. 2 cm). [Single Pulley] Breaking Strength: 30kN 6746 lb for high durability to satisfied your requirements. [Applicable Rope] Compatible with wide range of ropes up to 16mm 0. 6 inch. for complex rescue hauling system setup. [Hanging Design] The hanging point is an