Bottom Lifting Brackets, Steel, Silver, Galvanized Finish, Length (In.) 5 11/16 in, Height (In.) 1 5/16 in, Width (In.) 2 5/8 in, Depth (In.) 5 11/16 in, Wheel Diameter Not Applicable, Roller Width/Dia. (In.) No Roller, Surface Mounting, Mounting Hole Size (In.) 9/32, Number of Wheels 0, Steel, Hardware Not Included, Requires 1/4 In.-20 x 1 7/8 in Carrage Bolt with Nut, For Use With Sectional Garage Door, 1 Pair