Seller: ropec_4000 ✉️ (30) 100%, Location: Pottstown, Pennsylvania, US, Ships to: US, CA, Item: 355057020481 Klein Tools KTSB15 Step Drill Bit 15 Double Fluted 7/8 to 1-3/8-Inch. If taken care of will last for years. I still have my first one and it still performs very well even after 2 ears of use. Works in making holes with basically all metal of various thickness. It can meke just a small hole ¼" to 3 ⅜" max If you're planning on making multiple holes at a time, use something like WD-40 to keep it from dulling up due to heat. If taken care of will last for years. I still have my first one and it still performs very well even after 2 ears of use. Will accept return if the item hasn't been open. If you would like to return it but if it has been opened, 40% oh the cost will be deducted. Thank you for reading. Feel free to ask any other questions. Condition: New, Number of Items in Set: 1, Item Diameter: 1 3/8, Material: Steel, Item Length: 3.5 in, Suitable For: Rotary Tool, Brand: Klein Tools, Type: Drill Bit, Model: Klein Tools #KTSB 1, Package Quantity: 1, Country/Region of Manufacture: China, Application: Grinding and Cutting, UPC: 092644591150