Rikon-10-920 Quick Adjust 6in. Tall Rip Fence System.. Family Owned & Operated Since 1948. Quick adjust 6 In. Tall rip fence system. For use with all Rikon Bandsaws 6 In. Tall aluminum extrusion 32-7/8 In. Acme Tools was founded by George Kuhlman in 1948 as a small electric motor repair shop in downtown Grand Forks, …