4 PCS 6800 10x19x5 mm Plastic Nylon POM Ball Bearing Bearings 10*19*5,Ball Bearing Bearings 10*19*5 4 PCS 6800 10x19x5 mm Plastic Nylon POM, (4 PCS) (0,3937" x 0,7480" x 0,1969"), 100% waterproof, Qty: 4 Pcs, Material: Nylon, We aim to answer all queries within 24 hours in a friendly and professional manner,Plastic Nylon Ball Bearing Bearings, POM Ball Bearing Bearings 10*19*5 4 PCS 6800 10x19x5 mm Plastic Nylon.