Made with 304 stainless steel Precision CNC machine tool processing Polishing, sandblating, electrolytic and other detailed treatment Exquisite appearance, flexible and convenient adjustment parameter: Snap-on applicable side rail size 25×8/10mm 30×8×10mm Velcro size: 1700×80mm Length of sponge pad: 500×150×15mm (Asana, suitable for any operating table) Material: high strength nylon textile belt Surface treatment process: polishing, sandblasting, electrolysis