Hillman Fasteners 290030 Zinc Plated Steel Fender Washer, 100-Pack Winter_Items This Roof Sentry® residential grade

This Roof Sentry® residential grade residential roof and gutter de-icing control automatically controls operation and energy usage of electric roof de-icing cable

MaxCold® - 25% more foam

Reduces the risk of electrical fires caused by arcing faults in wiring

31/64" & 1/2"

Add 1 tpsp

Hillman Fasteners 290030 Zinc Plated Steel Fender Washer, 100-Pack Winter_Items This Roof Sentry® residential gradeFender washers have a larger surface area than standard flat washers. These washers are used when a larger bearing surface is desired. 5 16" x 1 5 8" Finish: zinc Material: steel Fender washers have a larger surface area than standard flat washers These washers are used when a larger bearing surface is desired Pack Qty: 100.