Secure sleeve and leg iron connection. 2 slotted hex-head bolts with lock washers and barrel-type nuts join the steel sleeve and leg iron together. Steel split ring secures ankle strap in place and allows for quick replacement.Features Made in USA 4-7/16-Inch (113 mm) wide stirrup provides greater foot support Sold in pairs only To determine size needed, measure from instep to 1-Inch (25 mm) below knee Contoured leg irons help position gaffs securely and comfortably 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 Steel split ring secures ankle strap in place and allows for quick replacement Adjustable Length Steel Sleeve C.C.A. pole gaff. Designed to penetrate the hardest salt-treated poles Adjustable climber length steel sleeve moves in 1/4-Inch (6 mm) increments for the most comfortable fit Length: 15 in Width: 4.5 in Height: 1 in Weight: 0.1 lbs (1.6 oz / 45 g) Adjustable Sleeve Length: 15 to 19 in (38.1 to 48.3 cm) Gaff Width: 1.5 in Stirrup Width: 4.44 in Material: Steel Pole Gaff Type: C.C.A. pole gaff Origin: USA DownloadsVideo DownloadSpec SheetInstructionsPole_TreeClimbersInstructions.pdfGaffSharpening_Instructions.pdf