High Speed Steel Twist Drill Kit 220 Pcs. 0.53mm To 1.07mm (#75-#58) In Plastic Box Bench Tools gold testing needles or verified

gold testing needles or verified gold samples of known karat are required and are not included

Two-sided dapping block with two different dome cavity sizes

the slots create a transparency effect

Dual-face head: rounded face (16

Part # Size Yield 145

High Speed Steel Twist Drill Kit 220 Pcs. 0.53mm To 1.07mm (#75-#58) In Plastic Box Bench Tools gold testing needles or verifiedThis master assortment of high speed steel twist drills covers 18 wire gauge sizes from #75 to #58 (0. 533 mm1. 067 mm . 0210". 0420") in a single organized kit. The set contains 220 drills total 10 of each size with 20 each of the most popular sizes: #60, #64, #67, and #70. The plastic storage box is labeled with drill sizes and part numbers for fast identification, easy restocking, and streamlined bench organization. Features 220 high speed steel