If I were to purchase a metric crowfoot set, which would be better: a set where the wrench comes with a swivel socket or a set where the crowfoot simply fits on the drive?

I like excuses to buy tools....but sometimes I find I buy things I end up not using much.

__________________
14 E250 Bluetec 4Matic "Sinclair", Palladium Silver on Black, 160k miles
06 E320 CDI "Rutherford", Black on Tan, 180k mi, Stage 1 tune, tuned TCU
91 300D "Otis", Smoke Silver on Tan, 145k mi, wastegate conversion, ALDA delete

19 Honda CR-V EX 79k mi
Fourteen other MB's owned and sold
1961 Very Tolerant Wife