Features: Adjustable Electric Drill: Adjustable electric portable DIY handheld drill, durable and reliable. Clamping Range: 0.7-1.2mm quick change chuck makes drilling work more convenience. Easy Operation: Ultra-long power cable design, 1.8-meter operation panel, fully meet the environmental requirements of DIY work, convenient switch, simple operation. Application: Handheld drill tool for resin plastic wood polymer clay, jewelry making keychain pendant earring, paper, sheet metal, acrylic, aluminum, etc. Please Note: It is not suitable for heavy metal or high hardness material. Specifications: Material: ABS Color: black Size(L x W):about 115x25mm/4.53x0.98inch Power supply voltage: 5V Power supply voltage: 5-6V Power supply current: 2A or more Rated speed: 8000rpm No-load speed: 8500rpm Rated output power: 10W Clamping range: small 0.7-1.2mm/0.03-0.05inch; large 2.5-3.2mm/0.10-0.13inch Package included: 1pc x electric mini drill 10pcs x 0.9mm/0.35 inch drill bits 3pcs x 1.1mm/0.43 inch drill bits 1pc x wrench Note: 1. Due to the light and screen difference, the items color may be slightly different from the pictures. 2. Please allow 0.5-2 cm differences due to manual measurement.