Perko Spring Clamps 5/8" - 1-1/4" - Pair. Specifications include Min. I.D. 5/8" Max I.D. 1-1/4" Projection 1-1/2" and Clamp Width 1/2". An economical way to hold and store boat hooks and other poles. Pre-drilled stainless steel construction. Sold per pair. Features/Specifications: Min. I.D.: 5/8" Max. I.D.: 1-1/4" Projection: 1-1/2" Width clamp: 1/2" Specifications for Perko Spring Clamps 5/8": Manufacturer: Perko Color: Black Quantity: 2 Features of Perko Spring Clamps 5/8" Stainless Steel Minimum I.D.: 5/8" Max I.D.: 1-1/4" Projection: 1-1/2" Width Clamp: 1/2" Package Contents: Perko Spring Clamps 5/8" Perko 0502DP1STS: Spring Clamps 5/8" - 1-1/4" - Pair