This nuts are made from solid 6061-T6 aircraft aluminum , machined with chamfered edges and then anodized for a brilliant finish.The helical nurling keeps the wheel nuts in place by digging into the wheel (as a fishing hook, easy to tighten, difficult to loosen) keeping them from unscrewing and falling off.Thread = 18 mm x 1.mmATTN: This Listing is for 1 Package contains 4 wheel nuts.FIT : ALL HPI  5B  and 5T  and Kraken TSK b Truck 1/5 scale     Add a map to your own listings. FREE Trial!