10-inch to 20-inch 45mm three section slide rails

Model: SL-45-04
Material:steel
Specification: Thickness 1.1*1.1*1.2, 45mmThree-section buffer slide rail
Sizes:
10 inch 25cm  / 12 inch 30cm / 14 inch 35cm / 16 inch 40cm / 18 inch 45cm / 20 inch 50cm