Dixon® Worm Gear Clamp, Miniature, series: MAH, Clamping Range: 1-12/64 to 1-48/64 in, 5/16 in Width, 1/4 in Bolt, 15 in-lb, Grade:300, Stainless Steel Band, Stainless Steel Screw, Domestic. Dixon® MAH20 Miniature Worm Gear Clamp, 1-12/64 to 1-48/64 in Clamp, SS Band, SS Bolt