Specification:  Includes:  3pcs 1/4" hex shank step drill;  6pcs 1/4" hex shank HSS 5 flute 90 degree countersink drill bits;  7pcs three pointed high speed steel countersink drill bit with 1pcs L-wrench;  8pcs 3/8" shank wood plug cutter drill bit;  1pcs 6mm automatic center pin punch with red hat.     Features:  1. 3pcs 1/4" Hex Shank Step Drill:  Made of high steel steel;  Includes 4-12/4-20/4-32mm;  With the Titanium coated to reduce friction and heat, the flute design provides faster, smoother and cleaner cuts.     2. 7pcs three pointed high speed steel countersink drill:  Made of high carbon steel with hiigh hardness and wear resistance;  Includes 3mm, 4mm, 5mm, 6mm, 7mm, 8mm, 10mm;  For drilling pilot holes,the drill bit large chip flute and five edge chamfers allows faster and easier discharge of sawdust. With the L-shape hex key provided, you could easily remove five bevel chamfer or adjust counter sleeve depth and drilling depth.     3. 8pcs 3/8" shank wood plug cutter drill bit:  Made of high carbon steel;  Used for tapered 1/4" ,3/8" ,1/2" ,5/8" wood plugs to cover recessed screw holes or hide blemishes,able to cut plugs to 22mm/23mm/25mm/26mm in length.     4. 6pcs 1/4" hex shank 5 flute countersink drill bit:  Made of high speed steel;  There are 6 different sizes in diameter: 6mm(1/4"), 8mm(5/16"), 9mm(3/8"), 12mm(1/2"), 16mm(5/8"), 19mm(3/4");  Great for Sinking 90 Degree Holes into Wood and Soft Metals Countersunk Screws and Fixings.Suitable for DIY, Home and General Building/Engineering Using.     5. 6mm automatic center pin punch:  Bit material: hss steel;  Main body material: tool steel;  Adjustable automatic center punch and window breaker;  Delivers high-impact, spring-loaded;  Enlarged plastic handle for impact cushioning.     Package Included:  25 x Drills  Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-Dadangjia