10Pcs useful tools set including 5pcs left hand drill bits and 5pcs alloy steel screw extractors. The cobalt drill bits in different sizes to meet varied needs: 5/64", 7/64", 5/32", 1/4", 19/64". High-quality metal materials ensures maximum strength and durability for long lasting usage.Comes with the box case for easy transportability. The screw extractors are great for removing broken or damaged bolts, screws, fittings, etc. Good for all woodworkers, do-it-yourselfers, homeowners, mechanics, artists, etc. Product description Specifications: Material: High speed steel 5pcs left-handed cobalt drill bit size: 5/64 ", 7/64", 5/32 ", 1/4", 19/64" 5pcs multislot machining alloy steel screw extractor size: #1,#2, #3, #4, #5 Color: As Pictures Shown Storage Box Size: 14 x 20cm Features: 1. High-quality metal materials ensures maximum strength and durability for long lasting usage. 2. 10pcs useful tools set including 5pcs left hand drill bits and 5pcs alloy steel screw extractors. 3. The