[4-pack] 4" V Groove Wheel with Double Bearing Sliding Gate 3000 Lbs Roller Slide + ScrewHeavy duty sliding gate roller that provides smooth and effortless movement for large gates weighing up to 3000lbs. The wheel features a V shaped groove that allows it to track along a rail, ensuring stability and preventing lateral movement. The roller slide is equipped with double bearings that reduce friction and increase durability, ensuring long lasting performance. The double bearing design also helps distribute weight evenly, preventing