Refractometer with Light & Case Knew Concepts Spearhead High Speed Steel (HSS)

Spearhead High Speed Steel (HSS) 90-degree setting burs are hand cut by expert craftsmen in the USA

operational capacity less Overall Dimensions 13" W × 10" L × 9" H Tank Dimensions 9-1/2" W × 5-3/4" L × 3" D Housing Material ABS plastic Tank Material Stainless steel Power 110V / 60Hz only Warranty 12-month limited warranty (mail-in registration required) What's Included

This is the genuine patented Mark-A-Size tool

Planishing is the technique of smoothing metal against a stake by making overlapping blows — a stretching method that also forms the metal to the underlying stake

accurate field of view across the entire lens

Refractometer with Light & Case Knew Concepts Spearhead High Speed Steel (HSS)Refractometers are a primary tool in gem identification, used to measure the refractive index of gemstones with precision. This refractometer features an easy viewing lens, a measuring range of 1. 301. 81, and a minimum graduation value of 0. 01. The set includes a compact storage case and a small flashlight to serve as a light source, along with instructionsmaking it a complete, ready to use kit for gemological work. Refraction liquid is not