Product name: bass bass cello string Specification: 1-4 Chord: 052063087106 Unit: inch. Bead: 9 x 6.5MM (diameter * thickness, inner hole diameter 4.7MM), length: about 1.75m. Weight: 133/set Attribute: Wrapped velvet with tail, 1 string of purple velvet, 2 strings of blue velvet, 3 strings of green velvet, 4 strings of black velvet. The inner core is wound by 7 high-strength steel wire ropes, and the layer is wound by high-quality Deyin alloy. The high strength and toughness perfectly reflect the bass playing effect Colour:silver Material:German silver alloy winding + steel wire rope inner core Package Contents: 1 set X bass cello strings (4PCS) Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.