FTG USA 3 Piece All-Same-Size #6 (9/64") Counter Sinker drill bit set with 6 piece replacement tapered drill bits for wood 9/64", 1 Hex Wrench, 1 Depth Stop Collar 3/8" in plastic storage container. Adjustable wood countersink set feature the best tapered drill bits 3rd Party Tested HSS M2, by far the most popular High-Speed Steel, Grade 6542, has superior properties, including high toughness, wear resistance, and good cutting retention. Counterbore size 3/8", Plug size 3/8". Super sharp, exceptionally durable, easy to use, and built to perform well in both hard and soft woods. Drill, countersink and counterbore in 1 step. Top quality material #45 Carbon Steel adjustable four-cutter counter bore chamfer angle 82-degree, attachment that cuts fast and clears chips quickly for fast, smooth countersinking applications. The counter bore feature attaches flats on shank with 2 hex screws for a secure fit and can be adjusted for controlled pilot hole depth providing a clean finish for more polished final products. Product Designed, Assembled and Packaged in Bloomfield, New Jersey by Fair Trade Group USA LLC from components manufactured in China to FTG USA specs. Packaging set combination/design protected by US Copyright Office