Attach an Adapt-a-Rule cutting guide for straighter, faster, more accurate cuts. The 24 in. and 40 in. models include a non-slip rubberized base and US or metric ruled guides. Use with you Logan Handheld Mat Cutter (Models 2000, 3000, and 4000 only), Straight Cutter, Glass Cutter, or Mat Knife. Both adapt-a-rule models include an Upgrade Kit allowing modification of your Logan Handheld Mat Cutter (Models 2000, 3000, and 4000 only).