10Pcs useful tools set including 5pcs drill bits and 5pcs alloy steel screw extractors. The screw extractors are great for removing broken or bolts, screws, fittings, etc. The cobalt drill bits in different sizes to meet varied needs Made of material, to use. With a metal case to collect the tools, convenient to carry. Size:Screw Extractors:58mm x 7mm x 36mm 75mm x 6mm x 34mm 67mm x 4mm x 30mm 60mm x 3mm x 24mm 50mm x 2mm x 19mm Drill Bits: 108mm x 75mm 100mm x 69mm 77mm x 50mm 64mm x 37mm 50mm x 26mm Color: As Shown Material: Metal Package Contents: 5 x Screw Extractors 5 x Drill Bits Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.