Centers: 3/4" (19mm), Length: 1", Width: 1", Projection: 7/8", Base Width: 3/8"Centers: 1 1/2" (38mm), Length: 2", Width: 1", Projection: 7/8", Base Width: 3/8"Centers: 3" (76mm), Length: 3 1/2", Width: 1", Projection: 7/8", Base Width: 3/8"Centers: 3 1/2" (89mm), Length: 4", Width: 1", Projection: 7/8", Base Width: 3/8"Centers: 4" (102mm), Length: 4 1/2", Width: 1", Projection: 7/8", Base Width: 3/8"Centers: 6" (152mm), Length: 6 1/2", Width: 1", Projection: 7/8", Base Width: 3/8"Centers: 8" (203mm), Length: 8 1/2", Width: 1", Projection: 7/8", Base Width: 3/8"