LEKI Sierra Speedlock Walking Staff Wood Knob / Foam grip / Camera Mount: comfortable foam grip; wooden knob unscrews to expose standard 1/4-20 thread camera mount. Nylon strap with buckle strap adjustment for support. The Speedlock 2 is Leki's latest generation of external locking systems. It is 1/3 smaller, 1/4 lighter, and has a 20% stronger locking force than Leki's original Speedlock. This system utilizes direct compression force to lock the pole shafts into place. Touted as the most powerful external locking system in the world, the SpeedLock 2 utilizes an integrated stainless steel pressure plate that provides a vise-like clamp to hold the pole adjustment in place. The cam style lock is made of fibergla Soft Antishock System - Lite: No ON/OFF function necessary because the spring pitch is limited to 10mm. The size of the shock system is reduced by 50mm and the weight is lowered by 20%. Carbide Flextips: concave, cylindrical tips offer secure hold on all terrain and surfaces; Carbide is extremely hard and durable; entire tip ferrule (Flextip) is replaceable. Rubber Tip Attachment: easily attaches / removes from carbide Flextip; meant for use indoors or on pavement only. Remove tip to expose carbide while on trails.