πΉ The Ultimate Woodworking Set for Professional & DIY Use β 16-Piece Complete Set β Includes 5 adjustable countersink & counterbore bits (#6, #8, #10, #12, #14), 3 extra tapered drill bits (#6, #8, #10), 2 wood plug cutters (3/8β³ & 1/2β³), 2 depth collars (3/8β³ & 1/2β³), and 1 hex wrench β all in Imperial measurements.β Special Edition PLYBOX Case β Crafted from 3/4" premium maple plywood, this lightweight and durable case features concealed brass barrel hinges and neodymium magnetic latches for secure closure and long-lasting performance.β Premium High-Speed Steel & Carbon Steel β HSS M2 (6542 grade) drill bits ensure sharp, precise cuts, while carbon steel #45 countersinks & plug cutters with black oxide coating provide anti-corrosion protection and longevity.β Perfectly Matched Tools β The adjustable countersink & counterbore bits create clean, precise holes, while the plug cutters generate seamless wood plugs for professional finishes.β Essential Usage Tips β For best results, use the plug cutters with a drill press at 1600-1900 RPM to ensure accurate, clean plugs and extend tool life. Hand drills are not recommended, as they may cause broken blades or uneven plugs.β 1/4β³ Universal Quick-Change Shank β Designed for effortless bit swapping, this set is fully compatible with all 1/4" quick-change chucks for improved efficiency.β Built for Quality & Reliability β Manufactured to JNB Proβs exacting standards, offering performance equal to or better than USA-made tools. If you're not satisfied, we stand by our 100% satisfaction guarantee with easy returns and replacements.