The Buckingham Titanium Tree Climbing Spurs have a Twisted shank. Their stirrups are offset, and they also feature a dowel & screw style replaceable gaff. They have nylon foot straps, and they include length sleeves adjusting from 16 1/4" to 18 3/4". Gaffs are 2-3/4" long. The climber with gaff weighs 1 lb. 3.6 oz. This set comes complete with upper and lower straps as well as leather L-shaped spur pads