Select from three quality sets designed to make drilling and screwdriving quick and easy. Each set is supplied complete with a ‘quick-chuck’ adaptor which is secured in the drill’s chuck. The ‘quickchuck’ enables bits to be changed without using any tools by simply pulling back the spring loaded collar. The ‘quick-chuck’ accommodates all the ¼ inch hex bits supplied in these sets and most other makes. The sets are presented in a tough plastic, soft-grip coated case, with hinged holders for easy access. Set ‘PTASET10’ contains 5 flat bits and 4 auger bits.