metal cable holder 1)dia.:20~52mm 2)strict quality control 3)color as customers' requests 4)optional string sizes superior quality special metal cable holder Feature:1. Made of material(zinc alloy or stainless steel)2. Plating: chrome, silver, gold, matte silver, glossy silver, matte gold, glossy gold3. Logo: silk screen, label, epoxy dome, laser printing4. Diameter: 20mm ~ 52mm5. Cord: nylon, ...