STAR M 7 32" Adjustable Countersink Bore MV380518 TJ1412 Teng 12pc Impact Size:ConnectX TJ1412 Teng 12pc Impact Bits Set Construction(PZ PH PH2G TX ROB) 12 piece 1 4 hex impact bit set Includes all the most commonly used screwdriver hex andTX 30mm impact bits to suit different applications New design impact bits and adaptors for higher torsion Suitable for use with impact power tools Supplied in the unique Teng Tools TJ tray Clear fold up lid to see which set you need to use Sliding catch to secure the set when not in use Content: Accessories 60mm Magnetic Impact Bit Holder Impact Bits 30mm PZ1 PZ2 PZ3 PH2 GR2 TX10 TX20 TX25 TX30 ROB1ROB2 Superior performance and reduced fatigue via AVT Specifications: 12 Screw gauge SM14 12 STAR M COUNTER SINK Tapered tool steel 7 32 drill countersink bit for use on mild steel and non ferrous metals as well as wood