Description Manufacturer part #:26.04 Technical Description Features American Metric Material Nylon Nylon Min line size 1/4 in 6 mm Max line size 7/16 in 12 mm Hole Spacing 2 7/8 in 72 mm Hole Diameter 1/4 in 6 mm Base Dimensions 3 3/4 in x 1 1/8 in 95.25 mm x 29 mm