Circular Saw Guide for cutting 4×4 posts – – Amazon.com.. Double Featherboards Feather Loc Board for Table Saws Band Saws Router Tables Fences.
ReciProMate- Reciprocating Saw Guide Attachment For Cutting 4×4 Fence and Deck Posts – – Amazon.com.
When digging the holes for fence posts, it's almost impossible to make each one the same depth so that each post rises to the same height as all the others.
Despite your best efforts at measuring and digging post holes to the correct. you can install the fence posts first, then cut each post as needed so they are all .
12" mitre saw will cut 4x4s.. Do yourself a favor and don't use a recip saw to cut a fence post.. Even easier with the built in laser guide.