This 3/4 In

roller comes affixed to a 3/4 In

offset extruded aluminum bracket

It fits through a hole drilled through your glass door

Used on frameless shower doors

This assembly attaches to the top of the shower door glass by using a 1/4 inch binder post & screw securing it to the glass through the mounting hole

It will fit up to 1/4 inch thick glass

The nylon roller height is adjustable by sliding the roller up or down in the diagonal mounting slot and then tightening