COMES WITH (2) HINGES, CARTRIDGE AND HARDWARE ;POWER CARTRIDGE, TOP 3" OD W/ 1" CTRS MOUNT HOLES;BODY 3-13/16" LONG;USED WIH LEFT OR RIGHT MOUNTING BRACKETS;SERIES CHG R56, STANDARD KIEL 2856, KASON® 1556;CARTRIDGE ONLY = AP# 21-351;TRAULSEN UHT-27, UHT-48, UHT-60, ULT60, UPT276, UPT279,;UPT4812, UPT4818, UPT488, UPT6012, UPT6018, UPT6024,; UST-27, UST-48, UST-60, UST27, UST32, UST48, UST60