The locks that look like these generally work with the comb picks.
Good luck fitting these tools in anything worth picking, though >.> I've got the Comb BAR set, and this is probably going to be the only set of comb picks I'll ever buy due to their uselessness.
Popular alternatives to
Master Lock Covered Aluminu...
American Lock-A1106YLW Lockout Padlock, KD, Yellow, 1/4 in. Dia.