1 Inch PVC Capped Assembly. 1 inch diameter PVC cap for top end of 1 inch PVC conduit chases. 2-way aluminum cable holder, stainless steel hardware and EPDM washer. Brass hex cable holder with stainless steel set screws and nut. 3 inches of 1/2 inch diameter stainless steel threaded rod between. 5-1/4 x 2-1/2 in. (13.3 x 6.35 cm).