STORAGE CONTAINERS for this set are available above on this page at the section " Make it a bundle" FTG countersink set + 6 Storage containers (in a bundle) = FTG countersink set + 99 cents FTG 2328 Value Pack contains 3 Piece Same Size11/64" (#8 screw) Adjustable Wood Countersink of Same Size and 1 Allen wrench featuring the best tapered drill bits HSS M2 (Grade 6542), confirmed in Certificate of Analysis issued in May 4th 2021 by ANAB Accredited Lab, and provided at Product guides and documents section below, by far the most popular High Speed Steel, M2 has superior properties, including high toughness, wear resistance, and good cutting retention. Compatible with all 1/4 inch Quick change chucks, including Impact drills. Logo brand is laser printed on each countersink shank making it easier to differentiate this quality brand from others. Super sharp, very durable, easy to use, and built to perform well in both hard and soft woods. Countersink #8 Bit Diameter 11/64" (4,4mm) , counter-bore size and plug size 3/8 inch All of them have the shank size 1/4". Drill, countersink and counter-bore 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. 1 Hex Key (1/8" Allen Wrench) included. Replacement Tapered Drill Bits are available on FTG USA brand store: www.amazon.com/ftgusa This product is designed in New Jersey by Fair Trade Group USA and Professionally manufactured in China at FTG USA specifications FTG USA FTG 2328 Value Pack 3 Piece All Same Size (#8) 11/64" Adjustable Wood Countersink with 1 Hex Wrench (1/8" Allen Key) THIRD-PARTY TESTED by US Accredited Lab - High Speed Steel M2 Grade 6542 Package contains 3 Adjustable Wood Countersink in a Value Pack same size (#8) 11/64" with 1 Hex Wrench. Depth stop not included in this package. Highly durable tapered drill bit HSS M2, by far the most popular High Speed Steel, for its high toughness, wear resistance, and good cutting edge retention; 4 cutter #45 Carbon Steel; #8 countersink featuring a 11/64 inch tapered and fluted drill bit HSS M2 Also available on FTG USA Store on this website FTG 2330 Replacement Countersink drill bits Only Replacement Countersink tapered drill bits Only, are offered also in a Value Pack, 3 of the same size 11/64" (#8 screw) in package FTG 2330. Packaging set combination/design protected by US Copyright Office Purchased in Bundle, FTG countersink set + 6 Storage containers = the cost of FTG countersink set + 99 cents Quality built counter bore attaches to flats on shank with 2 hex screws for a secure fit and can be adjusted with the provided Hex Wrench for controlled pilot hole depth. Drill, countersink and counterbore in 1 step; the countersink cutter doesn't clog up providing superior speed and clean finish Top Quality Material Component: High Speed Steel HSS M2 Grade 6542 confirmed in 5/4/2021 Certificate of Analysis Report provided at Product Documents Analysis Report issued May 4th 2021 by Accredited Lab confirms FTG USA drill bits Steel Quality Grade meets the desired specs. of HSS M2 Grade 6542 - As opposed to other manufacturers, we provide Test Reports issued by US Third-Party Accredited Testing Laboratory - Top Quality Steel used in FTG USA drill bits confirmed in Certificate of Analysis Report issued by US ANAB Accredited Lab - Our drill bits are made of confirmed Industrial-strength HSS M2 Grade 6542, harder than 4241 HSS and 4341 HSS used in other similar countersink drill bits - This product is designed in New Jersey by Fair Trade Group USA and Professionally manufactured in China at FTG USA specifications - Widened double flutes = Fast drilling - Drill, Countersink and Counter-bore in 1 step. Counter-bore size 3/8 inch, plug size 3/8 inch - Universal 1/4 inch hex shank prevents slipping in standard chucks and is compatible with all 1/4 inch quick-change chucks, including impact drills - Replacement Tapered Drill Bits are available on FTG USA brand store: www.amazon.com/ftgusa Compatible with all 1/4 inch Quick change chucks, including Impact drills Adjustable 4-cutter counter bore cuts and clears chips quicker for fast, smooth countersinking; the countersink works effortlessly even after many uses; it makes clean and consistent tapered holes for screws without the need of a stop collar; counterbore size 3/8", plug size 3/8" THIRD-PARTY TESTED by US Accredited Lab - High Speed Steel M2 Grade 6542 Tapered drill pointed tip with widened flutes for drilling fast, clean pilot holes and ensures tight fit for screws; The tapered drill bit can be replaced with a replacement bit of the same type and size FTG 2330 (#8) 11/64" for extended life Replacement Tapered Drill Bits are available on FTG USA brand store: www.amazon.com/ftgusa Logo Brand Laser printed on every shank Universal 1/4 inch hex shank prevents slipping in standard chucks and is compatible with all 1/4 inch quick-change chucks, including impact drills This product is Professionally manufactured in China at FTG USA specifications ; Logo, drill bit material and size are laser printed on each countersink shank Packaging set combination/design protected by US Copyright Office Replacement Tapered Drill Bits are available on FTG USA brand store: www.amazon.com/FTGUSA