CTA Tools 8560 7-Piece Super Stubby 12-Point XZN Dual-Drive Bit Set is high quality, precision-engineered and exemplifies CTA Tools standards of quality and craftsmanship. The 7-Piece Super Stubby 12-Point XZN Dual-Drive Bit Set features 19-Millimeter long sockets with combination 1/4-Inch square and 1/2-Inch hex drives, allowing for work in the tightest spaces. The 7-Piece Super Stubby 12-Point XZN Dual-Drive Bit Set includes a special titanium nitrate skin designed to reduce surface fractures. The 7-Piece Super Stubby 12-Point XZN Dual-Drive Bit Set Includes Sizes: 4, 5, 6, 8, 10, 12, and 14-Millimeters, packed on socket rail. The 7-Piece Super Stubby 12-Point XZN Dual-Drive Bit Set can also be purchased individually. Whether tuning up your 68 Corvette or changing the oil on a John Deere tractor, CTA can supply you with the tools needed to do the job. California Prop 65 - Warning, This product contains chemicals known to the State of California to cause cancer, birth defects or other reproductive harm.