Brand Better Quantity 2 Color Black + blue Material Aluminum alloy Functions Hiking / trekking / mountaineering Grip Material Plastic Locking Mechanism N/A Other Features Length is adjustable (0.5~1.1m) convenient to use; New anti-shock design release shock stress to wrist arm and shoulder; Adjustable nylon wrist band convenient to use and wear; With scale in the middle can be used to measuring; T-shape handle comfortable firm and durable; Great for climbing hiking and skiing etc.; With mud pad easy to insert into sand or mud suitable for various terrain; Sponge in the first on the first section can wipe sweat; Operation: remove circle from strap pull out black pad at the bottom cover the circle and screw on then install pad; Grip stick wring the second section three turns counter clockwise the pull out stick and adjust to suitable length then tighten it. Packing List 2 x Alpenstocks