Vermont American 21917 Tap WrenchesVermont American 21917 Tap Wrenches Features: T-handle tap wrenches feature adjustable wrench jaws that are self-equalizing. Spring tension holds the T-handle in place. 21946 and 21947 feature Black Max black oxide coating to provide maximum corrosion protection for longer life and durability For Use With: 1/4" through 1/2" taps