Zipper Tube SZTZB30-10 (30Φ-10m) I have changed to a magic tube, so I have stored it unused, still in the plastic bag. The change was made because special tools are required. The specifications are as follows: ● Flame-retardant PVC zipper tube. ● High fitting strength is obtained using special tools. ● Optimal for long-length bundling. ● Optimal for protecting electrical wires that need to be tightly sealed. Specifications and dimensional information specified: Fixing method: Zipper shield, not applicable Application/Special features: Flame-retardant Inner diameter (mm): 30 Total length (m): 10 Color: Black Tool use: Yes Material: Sheet part: PET cross-reinforced flame-retardant soft PVC *UL94VTM-0 equivalent, Zipper part: Semi-rigid flame-retardant PVC Operating temperature range (°C): -15 to 60 Unused item. Please note that returns are not accepted.