- STARRETTTAP WRENCH STRAIGHT 6"/150MM - 1/16" TO 1/4" (1.6-6.4MM)42491ACA$104.26Availability: Ships in 1-3 business daysGENERAL TOOLSTAP WRENCH SLIP T HDL 1/16-1/4 - 16442931215CA$15.94Availability: Ships in 1-3 business daysWFS APPROVEDSTRAIGHT TAP WRENCH,1/4 TO 1 1 /8 INGCWSW2CYU4CA$82.01Availability: Ships in 1-3 business days