This product is a gap measuring ruler for tooth, which made from high quality material for durable and long lasting use. The gap gauge is one of the measuring instruments used to check the inter-dental space. Specifications: - High precision. - Smooth and clean appearance. - Good wear resistance. - Can be sterilized in a steam autoclave, dry heat autoclave, or in chemical cold sterile. Pack contains: - 1 x 0.1 mm Gauge ruler. - 1 x 0.15 mm Gauge ruler. - 1 x 0.2 mm Gauge ruler. - 1 x 0.25 mm Gauge ruler. - 1 x 0.3 mm Gauge ruler. - 1 x 0.4 mm Gauge ruler. - 1 x 0.5 mm Gauge ruler.