Klein® Tree Climbers w 2-3/4” Gaffs Complete Set has extra-long gaffs for maximum penetration when climbing trees. This set is available in 2 models; CN1907AR which has an adjustable length of 15-19“, and CN1907ARL which has an adjustable length of 17-21”. Product features include a secure sleeve and leg iron connection - two slotted hex-head bolts with lock washers and barrel-type nuts join the steel sleeve and leg iron together. Adjustable climber length steel sleeve moves in 1/4'' increments for the most comfortable fit. Cushioned, high-grade leather climber pads (8" x 8") provide maximum comfort and 4-7/16'' wide stirrup provides greater foot support. Additional features are contoured leg irons that help position gaffs securely and comfortably, steel split ring secures ankle strap in place and allows for quick replacement. Neoprene-impregnated nylon climber straps provide a long-lasting life and replaceable gaff firmly attaches to the leg iron with a center pin and two TORX® screws. To determine size needed, measure from instep to 1'' below knee. Sold in pairs only.