National Hardware N344-846 V197 Sliding Door Guide in Tan Designed as an adjustable, guide for by-passing doors from 3/4 to 1-3/8 inch thick Keeps door properly aligned Needs cardboard shim for proper spacing of 2 side sections Nylon material Includes screws Designed as an adjustable, guide for by-passing doors from 3/4 to 1-3/8 inch thick Manufactured from nylon LifeSpan Limited Lifetime Warranty