Feature: 1. Remove broken screws and fasteners with ease. 2. This tool will remove any stud, screw, tubes and screws from 3mm to 25mm. 3. It comes in a lastics box. 4. Practical tool for any professional or hobbyist. 5. Drill size: 3/32 \", 1/8\", 3/16 \", 1/4\", 5/16 \", 3/8\". Specification: The 12pcs screw extractor set includes 6 screw pullers and 6 drill bits, remove damaged screws and fasteners from 3mm to 25mm with ease. Features: Remove broken screws and fasteners with ease. This tool will remove any stud, screw, tubes and screws from 3mm to 25mm. It comes in a lastics box. Practical tool for any professional or hobbyist. Drill size: 3/32 ", 1/8", 3/16 ", 1/4", 5/16 ", 3/8". Specifications: Material: Chrome vanadium steel Package Weight: 450g / 15.87ounces Package Size: 210 * 100 * 43mm / 8.27 * 3.94 * 1.69in High carbon steel screw pullers: #1 for 1/8" -1/4" (3-6mm) #2 for 1/4" -5/16" (6-8mm) #3 for 5/16" -7/16" (8-11mm) #4 for 7/16" -9/16" (11-14mm) #5 for 9/16" -3/4" (14-18mm) #6 to 3/4"-1" (18-25mm) Packing List: 6 * Screw Pullers 6 * Drill Bits 1 * Storage Box Package List: 6 * Screw Pullers 6 * Drill Bits 1 * Storage Box