uxcell Square Head Strain Relief Cord Boot Protector 14/2 16/3 AWG 27mm Long Country of Manufacture: CHINA; Material: rubber Net Weight: 51g; Package Content: 25 pcs x Cord Protector Relief Boot Main Color: black; Length: 27mm(1.06in) Mounting Slot Dia: 9mm(0.35in); Inner Dia: 6mm(0.24in) Total Size: 27mm x 12mm(1.06in x 0.47in)