It can be securely tightened without loosening, offering long-lasting durability and practical performance. Key features include waterproof, anti-rust, anti-corrosion properties, multi-layer coating, and extended service life. Made from industrial-grade steel with high hardness and wear resistance. Thickened steel construction with a non-slip fine-tooth screw design helps prevent slippage. Available in 7 sizes to suit various needs. Ideal for woodworking, metal clamping applications, and DIY projects. Item Name: G-Clamp Material: Steel Application: Water Pump, Pipe, Rivet, Clamp Platform Hardness: 56HRC Size Details: 1 inch Size: 11cm x 4.7cm x 1.4cm / 4.33" x 1.85" x 0.55", Max Opening: 2.5cm / 0.98", Throat Depth: 1.7cm / 0.7", Screw Diameter: 0.7cm / 0.28" (Approx.) 2 inch Size: 15.6cm x 5cm x 1.5cm / 6.14" x 1.97" x 0.59", Max Opening: 4.9cm / 1.93", Throat Depth: 1.9cm / 0.7", Screw Diameter: 0.9cm / 0.35" (Approx.) 3 inch Size: 24.5cm x 9cm x 2cm / 9.65" x 3.54" x 0.79", Max Opening: 8.2cm / 3.23", Throat Depth: 4.1cm / 1.6", Screw Diameter: 1.1cm / 0.43" (Approx.) 4 inch Size: 30.5cm x 10cm x 2.5cm / 12.01" x 3.94" x 0.98", Max Opening: 10cm / 3.94", Throat Depth: 4.4cm / 1.7", Screw Diameter: 1.5cm / 0.59" (Approx.) 5 inch Size: 37cm x 11.5cm x 2.6cm / 14.57" x 4.53" x 1.02", Max Opening: 13.4cm / 5.28", Throat Depth: 5.5cm / 2.2", Screw Diameter: 1.5cm / 0.59" (Approx.) 6 inch Size: 43cm x 12.5cm x 2.6cm / 16.93" x 4.92" x 1.02", Max Opening: 15.7cm / 6.18", Throat Depth: 5.7cm / 2.24", Screw Diameter: 1.5cm / 0.59" (Approx.) 8 inch Size: 54cm x 14cm x 2.8cm / 21.26" x 5.51" x 1.1", Max Opening: 20.5cm / 8.07", Throat Depth: 7cm / 2.8", Screw Diameter: 1.5cm / 0.59" (Approx.) Notes: Due to differences in lighting and screen settings, the item's color may vary slightly from the images. Please allow slight dimensional variations due to manual measurement. Package Includes: 1 x G-Clamp