***************Product Features: 1 set of HSS drill bit 13 pieces High-speed steel drill bit. Uses for Wood, Plastic and Metal Size: 1.5-6.5mm. Color: as shown in the picture Helix flute design will make the drilling be more easy and effortless. Features Straight Shank Straight shank design is more suitable for many electric drills. Bit Size approx.(Diameter * Length): 1.5 x 4mm, 2 x 49mm, 2.5 x 56.7mm, 3 x 60mm, 3.2 x 63mm, 3.5 x 70mm, 4 x 74mm, 4.5 x 80mm, 4.8 x 80mm, 5 x 86mm, 5.5. x 91.7mm, 6 x 93.6mm, 6.5 x 98.5mm. Gross weight: 120g. Product Specifications: Package Contents: 13 x Drill bit.