Cable stop, AKA nipple/end fitting / brake barrel, for brake levers on many mopeds with Magura, Domino and other levers.
19mm length x 8mm diameter / 2mm tiny hole in bottom would work for cotter pin.
10mm round top cap
The hole requires a minimum of 4mm and a maximum of 6mm for your cable end piece to fit properly.
Fit Original A35 A55 Spint LX ST Tomos models.