BLACK DIAMOND Fuel Hammer 50 CM Ice Tool, Onyx/Envy Green Lightweight shaft is hydroformed from a single piece of aluminum extending through the grip for responsive feel and rigidity Streamlined, two-piece single-bolt head is compatible with all current BD picks Dual-density adjustable pommel features spacing washers to accommodate different hand sizes and gloves Offset upper grip for modern leashless climbing Removable, clippable spike