"Consists of two pieces made from aluminum alloy, conforming to QQ-A-250/11 specifications, which are bonded with adhesive and then anodized. The item measures 1.780 inches in length, 1.180 inches in width, and has a thickness of 0.090 inches. It features three corners trimmed at a 45-degree angle and a rectangular piece cut out from the fourth corner. Additionally, it includes two counter sunk holes with a diameter of 0.142 inches."