3-1/2" long, swivel head, blackened hand drill is knurled for good grip. Adjustable collet with 0.3-3.2mm range. Alloy spiral drills: 0.5mm, 0.6mm, 0.7mm, 0.8mm, 0.9mm, 1.0mm, 1.2mm, 1.5mm, 1.8mm & 2.0mm. Great for jewelry, watch work, woodworking, crafts, etc. China.