Product details:

The Hettich 03320-028-44, 28 drawer slides are a telescoping precision full extension drawer slide designed for high loads, up to 500 lb. capacity, with cushioned in and out stops. The zinc plated steel runner and ball race form a single non-detachable unit. Smooth action and high side stability through precision slide. Ball spacers made of noise-absorbing plastic with hardened steel balls.