ChiaoGoo Interchangeable Cable End Cap

Black, white or red, rectangular-shaped resin pieces screw into your cable ends to hold a current project while using the tips for another project. White [S] end stoppers fit onto all [S] coded cables. Black [L] end stoppers fit onto all [L] coded cables. Red [M] end stoppers fit onto all [M] coded cables. The end caps are in a pack of 2.