Technique™ 90° Hart Bur, Set of 12 Sheet The built-in lens offers up

The built-in lens offers up to 5X crystal-clear magnification

from #80–51 (0

This size fits a 4mm stone

The lower jaw features a V-notch centered along its length to secure wire in position

This brass ball head pin features a yellow finish and is a good option for round ear wires as well as drops and dangles

Technique™ 90° Hart Bur, Set of 12 Sheet The built-in lens offers upThis set of 90 hart burs from Technique is ideal for cutting stone seats and notching prongs. Each bur is made from made from tough, hardened tungsten vanadium to ensure precise cutting results, durability and long life; these burs can be used at low speeds. This set includes 12 burs: 0. 9mm 1mm 1. 2mm 1. 4mm 1. 6mm 1. 8mm 2mm 2. 1mm 2. 3mm 2. 9mm 3. 1mm 3. 5mm As a brand married to innovation and quality, Technique products deliver effective results