Specification:Includes:6pcs 1/4″ Hex Shank HSS 5 Flute 90 Degree Countersink Drill Bits7pcs Three Pointed High Speed Steel Countersink Drill Bit with 1 pc L-wrench8pcs 3/8″ shank wood plug cutters set1pc Automatic center punch 7pcs 3- Pointed Countersink Drill Bit:- 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. 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. 6pcs 1/4″ hex shank 5 flute countersink drill bit:- Made of high speed steels.- 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