National Hardware N131-524 Stay Roller With Lag Screw, Zinc Plated

Highlights:

• Finish : Zinc Plated
• Steel lag with delrin wheel
• Meets ANSI/BHMA. A1S6.14
• Designed for use as a guide on large. sliding doors
• Mounts to concrete floor or apron
• Delrin bearing wheel rolls easier and lasts longer than many other steel bearing hangers
• Offers heavy-duty stay roller and 3/8 inch x 41/2 inch lag screw with expansion shield