Silverline - 9.6V RECHARGEABLE HOBBY TOOL - DISCONTINUED - 633883 102 Piece Rotary Tool Set. 9.6 volt Rechargeable and variable speed (no load 8,000-20,000rpm). Complete with grinding, drilling & cutting accessories, plus sanding and polishing tools, collets & a 1070mm flexi drive shaft for intricate tasks. Complete with charge base and storage case. Charging time 3 hours (approx).