Busch Fig 203HSS High Speed Steel Twist Drill Kit of 12-3/32" Shanks-2 each- 0.50mm to 1.00mm Ring Sizers & Stretchers Aluminum pump housing with cooling

Aluminum pump housing with cooling fins prevents overheating during heavy continuous use

Suitable for professional bench use in jewelry and metalsmithing applications

Mirror polished finish — professional appearance with a smooth

very heavy metal engraving

Busch Fig 203HSS High Speed Steel Twist Drill Kit of 12-3/32" Shanks-2 each- 0.50mm to 1.00mm Ring Sizers & Stretchers Aluminum pump housing with coolingThe Busch Fig 203HSS High Speed Steel Twist Drill Kit gives professional jewelers and metalsmiths a practical assortment of precision micro drill sizes in a single package. Made in Germany by Busch, these High Speed Steel (HSS) twist drills stay sharp longer than conventional Tungsten Vanadium twist drills and, when used properly, deliver significantly extended service life. The kit includes 2 each of six sizes ranging from 0. 50mm to 1. 00mm 12