Securely catches oil and grease. Extended applications: Fits most 10-hole Super Single and Dual Disc Wheels. Lightweight molded plastic pan that locks inside truck and trailer wheels to keep tire and wheel clean Fits most steel and aluminum 22.5 and 24.5 10-hole hub and stud-piloted tubeless wheels Allows 2 or 3-hole stud attachment to wheel using finger-tightened lug nuts, will not tip 124 oz. capacity with self-draining shelves for hub and axle nuts Made in USA from HDPE high density polyethylene design wont warp if oil is warm Keeps wheels and tires clean when servicing driven or non-driven axles, will not spill if bumped Flat bottom avoids spillage on workbench or floor Two built-in drip-proof drainage spouts for easy waste disposal Captures all wheel end components bearings, seals and axle nuts Saves time no more messy clean-up no more searching for awkward, makeshift containers