High Speed Twist Drill Size 78 Jewelers Tools Pack of 10 Model Making (.46mm)

High Speed Steel Twist Drills   Drill Number Size 78   Diameter .0160 inch  0.41mm   Sold as 1 Pack of 10 Drills Each    Weight - 1 oz.   These Mini Precision Drills Are Used By Jewelers Bead Makers Model Makers Hobbyists R/C Planes Etc   To Drill In Wood, Metal, Plastic, Acrylic Etc To Be Used With Mini Pin Vised And Rotary Tools Etc