Features: ●Diversified functions, lengthened drill body: unlimited use, diverse styles and specifications. ●Sp-iral chip removal, universal drill shank: anti-rust treatment on the surface of the drill body, drilling chips more efficient. ●Durable, precise positioning: alloy material, very sturdy and durable, and more precise drilling. ●for electric drill models: electric drill, percussion drill, for bench drill, etc. ●Note: Do not make holes in metal objects. Specifications: ●Material:Alloy ●Color ： Blue ●Size1: Approx.16mm/0.62inch ●Size2: Approx.22mm/0.86inch ●Size3: Approx.25mm/0.98inch ●Size4: Approx.18mm/0.70inch ●Size5: Approx.20mm/0.78inch ●Size6: Approx.19mm/0.74inch Package Includes: 1x Hexagonal Drill note: 1.Please allow 1-2mm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item.