• 5/8" to 3/4" (14mm to 19mm) Rope
• Spring Loaded Cam
• Stainless Steel Shell
• Breaking Strength 5650 lbs 

The #4SB Ascender is intended for flip lines and load hauling, where extra strength and durability is required. Not for self belay by solo climbers.

Assembly: Remove lock nut and pull bolt out until cam swings free. Place ascender on rope and align holes in cam and shell. Re-thread nylok nut and tighten. Do not compress shell.