Features: 1Use the wedge shape slope to promote expansion and generate frictional binding force to achieve a fixed effect. 2Using excellent 304 stainless steel material, has high strength and corrosion resistance, not easy to rust and deform. 3Commonly used to fasten protective fences, awnings, air conditioners, etc. on cement, bricks and other materials. 4The kit contains 10pcs stainless steel open cup hook, which can be used and replaced at any time. 5These stainless steel expansion hooks have standard openings and threads for more precise fixing. Item Type: Expansion Hook Material: 304 stainless steel Application: Generally used for fastening on cement, bricks and other materials such as protective fences, awnings, air conditioners, etc. SpecificationTube Length B(Approx.)Wire Diameter D(Approx.)Diameter E(Approx.)Opening F(Approx.)Outer Diameter S(Approx.)Total Length L(Approx.)Outer Width W(Approx.)Mounting Hole Diameter(Approx.)Mounting Hole Depth(Approx.) M638.3mm / 1.5in5.1mm / 0.2in13.3mm / 0.5in18.1mm / 0.7in9.6mm / 0.4in91.1mm / 3.6in32.0mm / 1.3in10.0mm / 0.4in50.0mm / 2in M848.2mm / 1.9in7.0mm / 0.3in17.6mm / 0.7in23.0mm / 0.9in11.5mm / 0.5in114.3mm / 4.5in42.0mm / 1.7in12.0mm / 0.5in60.0mm / 2.4in M1049.0mm / 1.9in8.6mm / 0.3in18.4mm / 0.7in24.8mm / 1in13.6mm / 0.5in116.5mm / 4.6in48.0mm / 1.9in14.0mm / 0.6in65.0mm / 2.6in M1249.0mm / 1.9in10.6mm / 0.4in23.9mm / 0.9in33.0mm / 1.3in15.5mm / 0.6in150.5mm / 5.9in60.0mm / 2.4in16.0mm / 0.6in70.0mm / 2.8in 10 x Expansion Hook