Used for fixing cables, waterproof design, wide clamping range.Approx. clamping range(Cable Dia.): PG7, 3-6mm; PG9, 5-9mm; PG11, 6-10mm; PG13.5, 6-12mm; PG16, 9-13mm.Special design of the clamping die and rubber part, wide clamping range, strong stretching resistance, no damage to cables and devices.Without disassembly, cable can be inserted through directly then tightened easily.Applicable to machinery control boxes, distribution panels, electrical appliances, machines, etc.