the product shown in the picture is our through type cable clamp , we can supply 1/2",3/8",7/8",5/4",13/8".the clamp can be made Tthis feeder clamp can hold three runs of cables of 7/8"it consists of two parts , one is stainless steel bracket , the other is clamp ,made of Polypropyleneour clamp has passed professional test . double-stack feeder clamp