Brass-look metal thread shank & body is sturdier than plastic body pull chain switches from competing suppliers replaces plastic Crest Healthcare Supply 106065 & Westinghouse 77023 for hospital & nursing home room lights 10 mm long metal thread can support glass lamp-shade on ceiling fan lighting & chandeliers Rated at 6A 125VAC (USA/Canada )or 3A 250VAC (Europe/Africa) Metal shank is stronger & longer than the 7 mm length plastic shank of Shine Top LS-301 & Sun-Lite J-101