Brand new tool! Mini Hand Drill with 7 HSS Drill Bits. This mini manual hand drill set -with HSS drill bits– is perfect to be able to work any type of modeling kit and any type of craft. The use of the manual hand drill is designed for bits up to 1 mm. diameter. The mini manual drill set has 7 HSS drill bits with the diameters specified here: Ø0.4mm, Ø0.5mm Ø0.6mm, Ø0.7mm, Ø0.8mm, Ø0.9mm and Ø1mm.