The cutting knife handle heat shrink sleeve is a convenient tool designed to help differentiate between Knife used for raw meat, cooked food, fruits, or vegetables with different colors. This assists in promoting food safety.SpecificationColor: RedMaterial: PEShrink Ratio: 1.8:1Size: 55x125mm / 2.2x4.9 inch(W*L)Shrinkage Temperature: 95-105℃ / 203-221℉Package List: 4 x Cutting Knife Handle WrapAdvantageThe cutting knife heat shrink tubing is made of PE material, which is non-slip, soft, shrinks quickly, stable, and easy to use.InstructionTo use the heat shrink tubing, cut it to the desired length, insert it snugly, heat evenly with a hot air machine until it shrinks tightly, and verify proper adhesion and fit.NoteBe careful to prevent burns when using heating tools.