Bit sets
Ready bit cassettes with a holder. Loose bits and holders as an assortment live under Consumables.
A bit set is sold as one product: a case of PH, PZ, Torx and hex bits plus a holder. Take it for a cordless driver when you want a ready row, not a single bit.
The home of loose bits and holders is Consumables → Bits and holders. This page is kits only.