Bridgeport’s 1-1/2” Insulated Steel Bridle Ring for Wood provides support for voice, data or video cabling. Bridle Rings offer a cost-effective alternative to “J” hooks and cable trays. BRWI-150 and BRWI-200 are threaded for easy assembly into 1/8" diameter pre-drilled holes on wooden surfaces. Insulated open loop end allows for easy insertion of cabling with additional cable protection. Built from durable, long-lasting and corrosion resistant zinc plated steel. Made in the USA.