Features 1、The material is aluminum alloy 6063‑T5, which is better than cast aluminum and better than plastic. 2、The products are carefully made by CNC machining, and the products are beautiful and exquisite. 3、The product is small in size, easy to carry, simple to operate and easy to install. 4、Great workmanship, perfect replacement for the old one and has a long service life. 5、Strict quality control and quality assurance, high safety factor, can be used with peace of mind. Specification Item Type: Square Bearing Plate Washer Material: Aluminum alloy Color: Silver Specification Width A(approx.) Length B(approx.) Hole Diameter C(approx.) Hole Diameter D(approx.) Thickness(approx.) 2020-Single hole 20mm / 0.8in 20mm / 0.8in 12mm / 0.5in 6.2mm / 0.2in 5mm / 0.2in 3030-Single hole 30mm / 1.2in 30mm / 1.2in 16mm / 0.6in 8.2mm / 0.3in 5mm / 0.2in 4040-Single hole 40mm / 1.6in 40mm / 1.6in 16mm / 0.6in 8.2mm / 0.3in 5mm / 0.2in Package List 10 x Square Bearing Plate Washer