AuRACLE 18k Yellow Plumb Calibration Round Air Compressors Model R-1 Standard Raising Stake

Model R-1 Standard Raising Stake Material Hardened stainless steel Surface Finish Fully polished Surface Dimensions 83mm × 11

035" diameter Guardian posts are compatible with the following Guardian earring nuts:

built to withstand the rigors of daily professional use

0866" B118

AuRACLE 18k Yellow Plumb Calibration Round Air Compressors Model R-1 Standard Raising StakeThe AuRACLE 18K Yellow Plumb Gold Calibration Round is a precision calibration disc designed specifically for use with the AuRACLE gold tester. Proper calibration is essential for accurate karat readings, and GemOro recommends using an 18K yellow plumb gold sample as the calibration standard. This disc meets that specification exactly, ensuring your AuRACLE tester performs to its full accuracy potential. Plumb gold refers to gold that is guaranteed to