DC-HD-16 - 16" Heavy Duty Door Cord by LockneticsThe door cords offer a protective conduit for running wires from the frame to the door installed with electrical devices such as electrified locks. The cords are available in various lengths and finishes.Features and benefitsDoor loops is 16" in lengthStainless steel cable resists abrasion and damageSilver and brown (DC-BR-20) finish available to match doors and framesSurface mountMounting hardware includedHeavy Duty -Large, durable aluminum boxes for extra protection.Inside loop diameter:3/8".Outside loop diameter:1/2".