• 7/16" to 1/2" (11mm to 13mm) Rope
• Spring Loaded or Free Running Forged Cam
• 3/16" Aluminum Shell
• Breaking Strength 5400 lbs 

The #3B Ascender is intended for flip lines and load hauling, where extra strength 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.

Convert to Free Running Mode: Remove the small screw in the spring cover. The spring will rotate freely.

Reconvert to Spring Loading: Hold cam down and re-insert screw in spring cover