Check the listing for details. DURATECH 6PC Step Drill Bit Set Automatic Center Punch Titanium Coated Drill Bit. Color: Gold, Condition: New. Listed at 32.99 USD. 【Durable & Sturdy Material】High-speed steel and titanium coating ensure excellent drilling durability and sharpness, which can reduce friction and lower operating temperature. Great for metal, wood, and plastic panels, easy to countersink. Suitable for home DIY and general construction/engineering use.【Double Slot & Triple Shank】The split point tip is 118 degrees to increase wear resistance. The dual-fluted design provides faster, smoother, accurate cuts and keeps metal shavings from flying around for added safety; the triple-flat shank fits securely into the power tool chuck, eliminating slippage.【Automatic Center Punch】Delivers an automatic, high-impact, spring-loaded strike when pressed against a surface, adjustable cap regulates striking force.【Sturdy & Stackable Case】Store in a sturdy plastic box with a transparent lid, you can find the drill at a glance. The storage box is designed to be stacked and can be stacked and combined with other boxes at will, making it easy to carry and store.【Step Drill with Multiple Drill Sizes】5PCS-50 Sizes - Drill #1 (6 Steps): 3/16"-1/2"; Drill #2 (9 Steps): 1/4"-3/4 ". Drill #3 (13 steps): 1/8"- 1/2". Bit #4 (Grade 12): 3/16"- 7/8". Drill #5 (10 steps): 1/4" - 1-3/8". All you need is in just 5 pieces.Double Slot DesignThe dual-fluted design provides faster, smoother, accurate cuts and keeps metal shavings from flying around for added safetyDurable & Sturdy MaterialHigh-speed steel and titanium coating ensure excellent drilling durability and sharpness, which can reduce friction and lower operating temperature.Distinct Shank DesignOur ¼ and ⅜-inch shanks are engineered for maximal stability and strength to prevent any offset or slippage.Automatic Center PunchDelivers an automatic, high-impact, spring-loaded strike when pressed against a surface, adjustable cap regulates striking force.Store in a sturdy plastic box with a transparent lid, you can find the drill at a glance. The storage box is designed to be stacked and can be stacked and combined with other boxes at will, making it easy to carry and store.