Product Details:

Adjustable from 1/4" to 1/2" thick Glass.

Adjustable Stainless Steel Sliding Shower Door Bottom Guide from 1/4" to 1/2" thick Glass. Easy to adjust. Simply remove plastic insert and turn to desired glass thickness, than install w/supplied hardware.

Material: Stainless Steel.
Finish: Brushed Stainless.

Note: Accommodate multiple glass thicknesses by adjusting the position of the plastic insert.
Positions: #8 is for 1/4" Glass, #10 is for 3/8" Glass, #12 is for 7/16" Glass and #14 is for 1/2" Glass