Back Home / Electrical / HEAT SHRINK MULTI-WALL, 4′ STK 1″ ID, RED, 3:1 S/R HEAT SHRINK MULTI-WALL, 4′ STK 1″ ID, RED, 3:1 S/R SKU: XMWHS1-1 Category: Electrical Flame retardant polyolefin heat shrink tubing. Internal layer of thermo-plastic adhesive which provides a barrier against contaminants. Still highly flexible for conforming to irregular shapes. 3:1 shrink ratio. Protection of automobile, marine and truck wire splices and harness breakouts. Meets mil spec MIL-DTL-23053/4, Class 3. 1 inch i.d. 4 foot stick Red Case Quantity: 1 Log In For Pricing