IRONSLOK can be mounted in a horizontal or vertical position. Drill (2) 17/64" holes in each 33" UNISTRUT in appropriate location. Four hex head bolts and nuts are included for mounting. IRONSLOK is designed for a 30" Halligan style tool and an 8lb. or 6lb. 36" flat head axe. The handle end support/cover module can be relocated on the UNISTRUT if desired. For vertical mounting, the blade end housing goes down. IRONSLOK is compliant with NFPA 1901 9G requirements.