Item No.: P09Y398

.High-Speed tool steel (HSS4241) cuts faster, withstands higher temperatures and retains hardness for longer than ordinary high-carbon steel;
.The gold-coloured vapour-deposited Titanium Nitride (TiN) coating improves bit longevity and sharpness;
.The most-used compatible round-shank sizes of HSS metal twist drill bits needed for a range of DIY tasks；
.99pc x 14 Sizes of HSS Bits:1/16, 5/64, 3/32, 7/64, 1/8, 9/64, 5/32" x 10pcs each;11/64, 3/16, 7/32, 15/64, 1/4" x 5pcs;5/16, 3/8"x 2pcs each Or 1.0,1.5,2.0,2.5,3.0, 3.5,4.0mm x 10pcs each;4.5,5,5.5,6,6.5mm x 5pcs each; 8.0,10mm x 2Pcs each;
.Fit to electric power drill drivers and start repairs, installation, and renovation in metal, wood, and plastics.