KTI22601 - Features and Benefits: Manufactured from heat-treated alloy steel for wear in professional, rugged environments Convenient vinyl holder Made the U.S.A. Includes: 1/4" drive T-10, T15, T20, T25, T27, T30, 3/8" drive T40, T45, T47, T50, T55, and 1/2" drive T60. This 12-piece set is manufactured from heat-treated alloy steel for wear in professional, rugged environments. Set includes: 1/4 in. drive T-10, T-15, T-20, T-25, T-27, T-30; 3/8 in. drive T-40, T-45, T-50, T-55; 1/2 in. drive T-60. Made in USA. Packaged in handy vinyl holder.