246pc Drill Bit Set Includes: 57pc HSS titanium twist drill bits: 6 x 1.0, 1.5, 2.0, 2.5, 3.2mm, 7 x 3.0mm, 4 x 3.5, 4.0, 5.0mm, 1 x 4.5, 4.8mm, 2 x 5.5, 6.0, 6.5mm. 30pcs HSS black oxide twist drill bits: 3 x 1, 1.5, 2.0, 2.5, 3.2, 3.5mm, 4 x 3.0, 4mm, 2 x 5.5, 6.5mm. 17pc wood drill bits: 4 x 3.0, 4.0mm, 3 x 5.0mm, 2 x 6.0, 8.0mm, 1 x 7.0, 10mm. 4pcs flat wood drill bits: 13, 16, 19, 22mm. 21pc Masonry drill bits: 2 x 3.0, 4.0, 4.5, 5.0, 5.5, 6.5mm, 3 x 6.0mm, 3 x 7mm, 1 x 8.0, 9.0, 10mm 66pc 25mm Screwdriver bits: 10pcs Slotted: 2 x 3.0, 4.0, 5.0, 6.0, 7.0mm. 12pcs Phillips: 2 x PH0, 4 x PH2, 3 x PH3. 3 x PH1. 12pcs Pozi: 2 x PZ0, 4 xPZ2, 3 x PZ3, 3 x PZ1. 10pcs Hex: H2, H2.5, H3, H3.5, H4, H4.5, H5, H5.5, H6, H7. 8pcs Torx: T10, T15, T20, T25, T27, T30, T35, T40, T45. 6pcs Inch Hex: 5/64", 3/32", 1/8", 5/32", 3/16", 1/4". 6pc Metric Hex: H2, H2.5, H3, H4, H5, H6. 12pcs Square: 2 x S0, 3 x S1, 4 x S2, 3 x S3 30pcs 50mm Screwdriver bits: 4pcs Slotted: 3.0, 4.0, 5.0, 6.0mm. 7pcs