Standard Inside diameter Outside diameter Pitch Production length Minimum Ø 32.0 Ø 37.0 7.0 mm 1,000 mm Maximum Ø 50.0 Ø 57.0 12.0 mm 15,000 mm Material Softness : PVC, Wire : HSWR(bronze gilding), Lead Wire : 1007 #22 Color Order production Feature . Having the wire core and inforcement wire, durability is good. Convenient for consumers, used in the cleaner handle. Flexible, elastic, stability is good Remark . Domestic, Industrial vacuum cleaner with power brush. Industrial dust collector...