Kits with just screws or with screws and nuts. Kits with both screws and nuts are for front wire wheels in 1993-1999 FXDWG Dyna Wide Glide and rear wire wheels in all 1991-1999 Dyna. Kits with just screws are for both wire and cast wheels in all other 1991-2017 Dyna. Note that most cast front wheels in 2006-2017 models have the disc fitted to the spokes using special M8-threaded screws. All kits are for 5-hole discs.