Back Cover e i Posts & Headword i i“w Hounding Hussars inbound Frost Forge Post winded with Post Inside Euro Installation Tips Use In-ground post when In staling In ground with concrete. . Posts forth gate opening must be set 48 In. apart measured from Set the remaining posts center or 70 In. Inside edge Use flange post when surface mounting on concrete or wood. i center of post to center of post or 46 in. from inside sedge to edge. to inside edge. Shorter spans must be in 1-7/8 n. intervals.