Abstract: A paint roller including a roller, a handle, and a bridge and socket assembly connected to the handle to hold the roller, wherein the roller includes a paint storage barrel for storing paint, the paint storage barrel having a fixed end cap at one end, an opening at an opposite end, and a plurality of longitudinal slots equally spaced around the periphery; a first cylindrical sponge fixedly mounted around the paint storage barrel to absorb paint from the paint storage barrel through the longitudinal slots of the paint storage barrel; a hollow cylindrical connector connected to the opening of the paint storage barrel, having a coupling portion at one end fastened to the paint storage barrel, an inner thread at an opposite end, and a plurality of longitudinal slots equally spaced around the periphery; a second cylindrical sponge fixedly mounted around the connector; and a detachable end cap having an outer thread at an inner side threaded into the inner thread of the connector and a handle at an outer side for t