2 Pack Sliding Patio Door Tandem Roller Assembly Fits for Truth P/N #31761A & #30410, Milgard, Marvin, Jeld-Wen, 5-3/4" Screw Hole Centers, 1-1/4" Steel Ball Bearing, Side Adjustment

Commonly fits for Truth P/N #31761A & #30410 and Milgard, Marvin, Jeld-Wen, Caradco, Weathershield, Malta, Pozzi, Hurd, Peachtree as well as a variety of other sliding patio door manufacturers for replacing similar tandem rollers. | Mounting screw holes spaced at 5-3/4 inches (Screws NOT included, please reuse your existing ones). | Features side adjustment on both sides: Either you use a flat-head or cross-head screwdriver to carefully try turning your screwdriver one way or the other to figure out which direction you need to turn. | This is a Screw-In style patio door roller assembly that is screw into a rectangular mortise in the bottom of the door to hold it in place. | We recommend replacing both 2 rollers at the bottom of the active door panel at the same time.