Wooden Handle Push-Type Spiral Hand Drill Manual Twisting Drilling Hobby 10 1/2" Push-Type Spiral Hand Drill; This is a new push-type spiral hand drill Upgrade your toolbox with this professional tool; Includes a spiral hand drill as well as an extra collet Each collets measure 0 to 2mm; To use this tool, simply hold in place and slide the wooden grip either up or down the spiral shaft, depending on what direction is needed Wooden handle; Steel, spiral shaft Measurements: 10 1/2" in overall length;