Core RC shock piston drill
Core RC have released this handy shock piston drill. Fine tuning of shock piston sizes has always been a tuning tool for the pros. Now with this new tool from Core RC its a simple task for any racer. This hand drill comes included with 5 different drill bits, 1.1mm, 1.2mm, 1.3mm, 1.4mm & 1.5mm and two double ended chucks also allows for drill sizes between 0 to 2.9mm, for other simple hand drilling use.
Source: Core RC [racing-cars.com]