Product Parameters Product Lithium Cordless Impact Drill Model HD21-101C Battery Voltage 21V Battery Capacity 1.3Ah/2.0Ah/4.0Ah Borehole Diameter Ø10mm No-Load Speed Low gear 0-450rpm High gear 0-1800rpm Impact Frequency 0-30000bpm Max Torque 35N.m Charging Time 2-3 hours No-load Discharge Time 50 minutes Package 1pc/inner box, 30*26*9cm 10pcs/ctn, 60*43.5*26.5cm Configuration Charger*1, Batteries*2, 1.3Ah Features Handy 21/12V electric drill 2 pack of 1300mA lithium batteries A fast charger 24 pcs accessories Regular configuration, if need large quantity please contact to custom brand, color... How to change drill bits with Keyless chuck STEP 1: Switch the drill into the counter-clockwise position. STEP 2: Gently squeeze the trigger. STEP 3: Insert the new bit and tighten. 25+1 torque adjustment Adapt to variable working needs. Heat dissipation Increase ventilation, avoid to burning the machine Forward/Reverse switch Detailed Photos Manufacturing Process Company Profile Shanghai Handy Technology Development Co.,Ltd, established in 2010, is specialized in with cooperated developing, manufacturing of electric tools such as cordless drill, bench grinder, chain saw, electric blower and so on. We have rich experience in professional production and control the quality from raw material purchasing to packaging, to ensure product quality in a leading position. Over the years, through continuous technological innovation, we launched series of cost-efficiently hot-selling products, becoming a rising star in the industry. We devote ourselves to achieve our goal and philosophy by designing, developing, and manufacturing products with high performance, latest technology and first-class service. We introduced newest equipment and production technology to guarantee our big capacity, stable quality, timely delivery and OEM. Our advantages: Competitive price--We establish deep partnership with the raw material manufacturer, very competitive price would be offered. Stable quality--We have strict quality inspection, and more than 10 years of experience to ensure the stable quality. Short lead time--7~15 days upon receipt of deposit. Excellent service--OEM, quick response, professional solutions, smooth communication, good after-sales service. We support to customize products quality, brands, packing, product color and labels. Our products and services have been recognized and praised by lots of customers at home and abroad, which spur our responsibility, enthusiasm and motivation. We sincerely hope to build Long-Term and Win-Win partnership with clients from all over the world, and warmly welcome clients customize products from our company. Certifications Packaging & Shipping