Proxxon FBS 12/E Precision Drill/ Grinder 12V A great precision tool for delicate or small jobs which you can't do with a standard drill: Includes keyless chuck (capacity 0.3 - 3.2 mm). For use with MICROMOT transformers (Ref. 28707 or Ref. 28704). For precision drilling, milling, sanding, polishing, brushing, derusting, engraving, chiselling and cutting. Includes keyless chuck (capacity 0.3 - 3.2mm). A precision ball bearing minimises spindle side play. Spindle lock button for bit changing obviates the need for spanners. Recessed spindle head for inserting MICROMOT steel collets. Special, balanced, low noise DC motor with high life expectancy. Variable speed control with feedback effect (high engine power in the lower revolutions area). Housing of glass fibre-reinforced POLYAMIDE. Technical data: Direct voltage 12 – 18V. Maximum power consumption 100W. Speed 3,000 - 15,000rpm. Length 185mm. Weight 450g. We recommended the use of MICROMOT transformers of at least 2.0A