Feature:100% Brand new and high qualityThis product is a gap measuring ruler for tooth, which made from high quality material for durable and long lasting useThe gap gauge is one of the measuring instruments used to check the interdental spaceHigh precision, smooth and clean appearance, good wear resistanceCan be sterilized in a steam autoclave, dry heat autoclave, or in chemical cold sterileSet includes following sizes: 0.10 mm, 0.15 mm, 0.20 mm, 0.25 mm, 0.30 mm, 0.40 mm, 0.50 mmMaterial: MetalColor:SilverSize:About 4.5x1.2x1cm/1.7*0.47*0.39inPackage Included: 1X Set measuring rulersNote1.Our size are Asian Size,1-2 size smaller than euro size,please choose your size according to the size chart.2.Due to the hand measurement, there have size error about 1-2 cm.Item color displayed in photos may be showing slightly different