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

Style American Style

Do not mix with ElectroKing™ below 100 °F (32 °C)

the slots create a transparency effect

This listing features the cloth version — longer lasting than standard emery paper shells — in a 2/0 grit

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