Pelton & Crane™ Light Bushing 1 7/8" O.D. x 1 11/16" I.D. for P&C, A-dec®, Marus™, Belmont, Knight L, Midmark, TPC lights Light Post Bushing A-dec® is a registered trademark of A-dec, Inc. DCI has no affiliation with A-dec and A-dec has not authorized DCI replacement parts to be used on or in connection with A-dec® products.