to 1-3/4 in.
thick wood door•Soft-close mechanism included•To obtain the maximum weight capacity, all rail mounting fasteners must be mounted directly into solid wood•Do NOT install directly onto a drywall surface L x 1/4 in. door, one 96 in. Made of premium steel, these kits come ready to quickly install. diameter wheel design•Kit comes with all the parts needed to hang up to a standard 48 in.