J-pro™ cable support system, with clip for use with #12 wire and threaded rod up to 3/8" (9.5mm) in diameter or 1/8" - 1/4" (3.2mm - 6.4mm), 1.31" (33.3mm) max. bundle capacity, nylon 6.6 with metal attachments, black, 50 pc. package quantity.