Zinc plated.
Heavy 11 gauge steel with double slot for vertical adjustment.
Non-slip dimples for better hold.
Width: 2-1/2in..
Slot Width: 17/32in..
3-3/4in. slot

*Free to the contiguous United States consisting of the 48 adjoining U.S. states plus Washington, D.C., on the continent of North America. Free is not available to non-contiguous states of Alaska and Hawaii, US Protectorates, or APO, FPO or DPO locations. Photos are for reference only. Actual product may differ from the item shown in photograph.