this guy annoyes the hell out of me but this video explains what to use
bsically GL-4 for manual transmission GL-5 for differentaials and Transfercases
I've used WERA hex plus there great i don thave a socket version jsut the allen keys 10mm
but these just came out 1-to-1 exact copy of the mac RBRT but less the price. im ordering a set
GRIPEDGE