"Easy to assemble two piece metalized backshells are a great choice for the do it yourself"" consumer. Metalized chrome plating provides an economical method of shielding backshells. When used with shielded cable, a complete ground can be made between connector shells. Sizes available are DB9, DB15 and DB25. All assembly and standard mating hardware is provided. Optional thumbscrews must be ordered separately, part number 04X44S. Quantity pricing available, please contact your L-com Sales Representative."""