Slide-A-Shelf AMC-PL-SSO-12W22D-3 Baltic Birch Slide-Out Shelf with 3/4 Extension, 12" x 22" x 4.25" Durable easy-to-clean shelf base and tapered, wrap-around 7 ply Baltic birch sides, with a tough uv cured poly-urethane finish; manufactured in the usa 3/8 inch thick and 4 inch high birch sides and backs; with 2 inch front pulls Metal 3/4 extension ball bearing slide rails rated at 100 lbs.; no plastic components You will never again have to bend or stoop or get on your hands and knees to reach items you store Easy to assemble and install with just a screwdriver; all hardware is included