Toolcraft 6 3mm 1 4in mini ratchet set 26 piece toolcraft 820928 this 6 3mm mini ratchet set from toolcraft has 26 pieces manufactured to a high quality with chrome vanadium steel providing for best workshop quality the power transmission from the nuts to the screw head is not via the corners but via the flanks ensuring higher power transmission plus the sensitive edges of the nut remain intact the ratchets offer insert tool unlocking at the touch of a button p this superb set also