FOR USE WITH WHEELS RANGING FROM 19" I.D. AND LARGER. CATCHES OIL FROM HUBS AFTER REMOVING THE CAP. FITS ON THE RIMS OF BUSES, TRAILERS, AND LARGE TRUCKS. PREVENTS MESSY OIL SPILLS DURING WHEEL REPAIR. SIDE OPENING IS DESIGNED FOR EASY POURING INTO COLLECTOR. DURABLE POLYPROPYLENE DESIGN. SHIP WEIGHT 1.43 LB. 1 YEAR LIMITED WARRANTY.