Centers: 3/4" (19mm), Overall Length: 1" (25mm), Length: 1", Width: 5/8"Centers: 1 1/2" (38mm), Overall Length: 2" (51mm), Projection: 7/8", Width: 5/8"Centers: 3" (76mm), Length: 3 1/2", Width: 5/8"Centers: 3 1/2" (90mm), Length: 4", Width: 5/8", Overall Length: 4 1/2" (114mm)Centers: 4" (102mm), Length: 4 1/2", Width: 5/8"Centers: 6" (152mm), Overall Length: 6 1/2" (165mm), Length: 6 1/2", Width: 5/8"Centers: 8" (203mm), Length: 8 1/2", Width: 5/8"Centers: 12" (305mm), Length: 12 1/2", Width: 5/8"Centers: 18" (457mm), Length: 18 1/2", Width: 5/8" 
