ITEM NAME:20pc 6N-4 Strain Relief Bushing SJT 18AWG T=0.5~1.6mm Nylon 66 Black ME Straight Through New UL Wire accommodated: 18AWG Approx wire size: OD7.6mm Mounting hole size: 15.9mm / 14mm Available thickness: 1.6mm Part length: 14.8mm.UL Wire accommodated: 18AWG. 20pcs Strain Relief Bushing. Mounting hole size: 15.9mm / 14mm. Straight Through New. Part length: 14.8mm.