Cylinder Stop Farm Kit B Set, Cylinder Control Blocks, Narrow Width, Extra Tough High Grade Aluminum, Alloy Heat Treated For Long, Tough, Durable Use, Easy To Install & Remove, Simply Snap Over Cylinder Rod & Pull Off When No Longer Needed, For 1.5" To 2" Rods, 3/4", 1", 1-1/4", 1-1/2" & 2".