The EasyGrip Combo Wrench Set from GreatNeck Tools includes seven different sizes in both SAE (No. 51016) and metric (No. 51017) measurements. Measurements include 3/8", 7/16", ½", 9/16", 5/8", 11/16", ¾" and 10mm, 12mm, 13mm, 14mm, 15mm, 17mm, 18mm. Made with chrome vanadium steel for strength, the ergonomic design provides a more comfortable grip.