Description Low Profile Fork for 4mm Wire Technical Description Features American Metric Body Length 2.64 in 67 mm External Body Diameter 0.25 in 7.5 mm Fork Width 0.20 in 5.2 mm Internal Body Diameter 0.16 in 4 mm Length from Pin Centre 2.64 in 67 mm Pin Diameter 0.25 in 6.35 mm