Hongshang Heat Shrink Heatshrink w/o adhesive 615612 - Hongshang 211164208, Hongshang's 211164208 heatshrink without adhesive measures 6.40 mm before shrinkage and reduces to 3.20 mm, offering a 2:1 shrinkage ratio. This black heatshrink is ideal for insulation and protection of cables and wires over a 10 m length. It is commonly used in electrical and electronics applications to provide a secure and professional finish. Hongshang 211164208 Heatshrink Black 6.4mm-3.2mm 2:1 10m No Adhesive