USB Mini Electric Drill High Speed Steel ABS Iron Micro Electric Handheld Drills for Resin USB Mini Electric Drill High Speed Steel ABS Iron Micro Electric Handheld Drills for Resin Easy to Carry: The electric drill is durable, reusable, easy to carry, has stable performance, simple operation Perfect Kit: Strong power, compact body design, perfect kit for making necklaces, earrings and bracelets Easy to Carry: The electric drill is durable, reusable, easy to carry, has stable performance, simple operation USB Mini Electric Drill High Speed Steel ABS Iron Micro Electric Handheld Drills for Resin Item Type: USB Mini Electric Drill Material: High Speed Steel + ABS + Iron Purpose: Used for drilling jades crystal pearls Power Supply Voltage: DC 5V Non Load Speed of Electric Drill: 13000r/min Electric Drill Structure: Straight Barrel Type Drill Bit Clamping Method: Drill Chuck Drill Bit Clamping Range: Approx. 0.5-1.2mm / 0.02-0.047in Drilling Capacity: Wood Approx. 10mm / 0.40in, Steel Approx. 0.5mm / 0.02in Twist Drill Bit Specifications: Approx. 0.8mm / 0.03in, 0.9mm / 0.035in, 1.0mm / 0.04in, 1.1mm / 0.043in, 1.2mm / 0.047in (Each 2pcs)