WORKPRO W001401A 20-Piece 3/4"(19MM)& 1"(25MM) Jaw Open Steel Spring Clamp Set Non-marking PVC coating tips and handles to protect delicate finish with non-slip holding power Zinc-coated steel is non-corroding strong wound-steel spring for firm grip tempered steel springs for fast, reliable opening and closing Point-of-pressure remains near jaw tips for positive clamping Set includes: 15PC 3/4"(19mm) jaw open size clamps and 5PC 1" (25mm) jaw open size clamps Compact design for greater versatility. High toughness and high strength springs for durability and high grip strength. The surface of the clip is coated with a zinc alloy to prevent corrosion and rusting. Length of clamp: 105 mm Jaw open size: 25 mm Width: 22 mm Length of clamp: 50 mm Jaw open size: 19 mm Width: 10 mm Ideal for securing tarpaulins, covers, craft work, woodwork, or use on car boot sales, market stalls etc.