M Mariz O.G. May 23, 2006 315 0 Oct 10, 2014 #1 Hello what's the difference between sac kelly l and sac kelly ll? I've been goggling it but can't find an answer. Sac kelly ll is the regular kelly , right? Measurement for the 28cm... 22cm Height x 28cm width and 10cm depth... Thanks, Ladies!