What is this?Lever Handle is used to replace your broken handle of the ball valve and ensures good performance.What will I get?Material: Iron, Plastic; Total Size: 94 x 19 x 3mm/3.7" x 0.75" x 0.12"(L*W*T); Mounting Hole Size: 8 x 5mm/0.31" x 0.2"(L*W); Female Thread Size: M8; In the package of: 2 x Lever Handle, 2 x NutAre there any advantages of the product?Made of iron material, chrome-plated, good resistance to scratch.Plastic wrapped handle for comfortable and convenient operation.Easy to install, quarter turn, the handle fit for DN20(3/4") ball valve.What should I notice?Please check the size carefully before ordering.