Combination 246Pc Drill Bit Set: The Terratek drill bits sets mixed comes with 246Pcs drill bits. Including HSS twist drill bits, wood drill bits, masonry drill bits, screwdriver bits and much more for all your DIY drilling needs. Comprehensive 246Pc Twist, Masonry & Wood Drill Bit Set: The Teratek drill bit set comes with 57x HSS titanium twist drill bits 6x 1mm 6x 1.5mm 6x 2mm 6x 2.5mm 6x 3.2mm 7x 3mm 4x 3.5mm 4x 4mm 4x 5mm 1x 4.5mm 1x 4.8mm 2x 5.5mm 2x 6mm 2x 6.5mm. 30x HSS black oxide Twist drill bits 3x 1mm 3x 1.5mm 3x 2mm 3x 2.5mm 3x 3.2mm 2x 3.5mm. 17x wood drill bits 4x 3mm 4x 4mm 3x 5mm 2x 6mm 2x 8mm 1x 7mm 1x 10mm. 4x flat wood drill bits 1x 13mm 1x 16mm 1x 19mm 1x 22mm. 21x masonry drill bits 2x 3mm 2x 4mm 2x 4.5mm 2x 5mm 2x 5.5mm 2x 6.5mm 3x 6mm 3x 7mm 1x 8mm 1x 9mm 1x 10mm. Comprehensive 246Pc Screwdriver Bits: The Teratek drill bit set comes with 66x 25mm screwdriver bits 10x Slotted 2x 3mm 2x 4mm 2x 5mm 2x 6mm 2x 7mm. 12x Phillips 2x PH0 3x PH1 4x PH2 3x PH3. 12x Pozidriv 2x PZ0 3x PZ1 4x PZ2 3x PZ3. 8x Torx T10,T15,T20,T25,T27,T30,T35,T40. 6x Inch Hex 5/64",3/32",1/8",5/32",3/16",1/4". 6x Metric Hex H2,H2.5,H3,H4,H5,H6. 12x Square 2x S0 3x S1 4x S2 3x S3. 30x 50mm screwdriver bits 4x Slotted 3mm,4mm,5mm,6mm. 7x Phillips 2x PH1 3x PH2 2x PH3. 7x Pozidriv 2x PZ1 3x PZ2 2x PZ3. 4x Torx T15,T20,T25,T30. 4x Metric Hex H3,H4,H5,H6. 4x Square 1x S1 2x S2 2x S3. Comprehensive 246Pc Drill Bits Extras: The Teratek drill bit set comes with 1x countersink, 1x cupped nail puch, 1x spade bit extension 6", 1x arbor adaptor for hole saws, 1x 58mm magnetic bit holder, 2x hex key 2x 2.5mm, 4x hole saw 32mm,38mm,45mm,54mm, 4x drill stopper 3mm,5mm,6mm,8mm. 2 Year Warranty: The Terratek drill bit set comes with a storage case included and we offer a 2 year guarantee for your added peace of mind on all our drill bit sets.