These are M4 Flanged Lock Nuts for the HPI Blitz (HPID10**).
Silver steel construction. Nylon inserts. Can be used for wheels, slipper clutch springs, & other applications which require easy removal and will not loosen due to vibrations.
YOU WILL RECEIVE:
(10) Flanged Locking Nuts
Hex Size: 7mm (.28") Thread Size: M4 Height: 5.7mm (.23") lmm 11.13.09 ir/jxs&