Like the name suggests, the 3-Piece features a periscoping 3-piece shaft(16mm/14mm/12mm)made from durable and stiff 7075 Aluminum. The LockJaw clamp is adjustable from 95-135cm and features a Bubble inclinometer and a Snow Depth meter. The Ergo sewn strap system keeps you comfortable and the powder baskets are easy to remove and pack thanks to a new thread system.