Lisle 51300 Parking Brake Adjusting Spoon Use on drum in hat parking brake mechanism that is mounted inside the disc brake assembly Tool adjusts star wheel through access slot in backing plate Squared tip works on Ford F-250 and F-350 Angled tip with cutout for extra clearance works on F-150 pickups Package dimension is 5.75 inches width by 10.5 inches height by 2 inches depth