BELEON Dental Polishing Strips Coarse 1 Roll 4mm x 6M Tooth Polisher Dental File for Teeth Sanding Grinding Deep Teeth Cleaning Tool Tooth Polish Abrasive Strip Oral Care Cleaning Tool workwarehouse SPECIFICATIONS: Measurement Range: 58℉~1022℉ ( 50℃～550℃) Color:Black & Yellow 2 pack SPECIFICATIONS: Measurement Range: 58℉~1022℉ ( 50℃～550℃) Accuracy: ±2% or 1 The special Wire o spiral binding allows book to lay flat so rows line up across the non dated pages Material The abrasive strips are made of flexible polyester and firmly coated with aluminium oxide particles To Save Operating Time You only need cut the appropriate lenth according your requirments