8 pieces Gits bros mfg machine shop oiling oiler cups bridgeport machinery 1/4

Description

21BA9107 up for sale is a new old stock set of 8 spring loaded flip top oiling cups , these are used on many types of machines and machine tools , these have a press in diameter of 0.254 so will press in tight on a 1/4 hole the total height is 0.406 about 13/32 long the top cup where the spring loaded cap flips up is 0.253 dia outside x 0.210 inside ,these stick to a magnet so must be steel but look like they could have been plated with zinc or nickle plating ? ,  nice old cups for many uses machinery and other moving parts on equipment , see our store we are adding more items like this weekly , thank you rwk