Bostitch mcn anchor stick 4 00 38mm ring galvanised pack of 2000 bostitch mcn400r38gal p align left this pack of 2000 mcn anchor stick fasteners 4 00 38mm from bostitch have been designed for the n88rh 2mcn nailer only when mcn is fitted galvanised to 15 microns and manufactured with a ring shank and conical head which centres the nail in a pre drilled hole p bostitch mcn400r38gal anchor stick 4 00 38 mm ring galvanised pack of 2000