This is a Slot Machine Cutting Guide. Everyone Knows how easy the Slot Machine Hinge Cutting Tool Has Made Airplane Building. Well, Now Great Planes Has Made This Revolutionary Tool Even Easier to Use With The Slot Machine Cutting Guide. FEATURES: Holds Your Slot Machine in Alignment Along Center Line While Cutting Keeps Slot Machine From Slipping Out of Alignment When Power is Applied. Specially Designed to Work in Conjuction with the Slot Machine and Centering Tool. Able to Be Used For Both CA and Nylon Hinges Works on Any Control Surface up to 1" Thick INCLUDES: One Red Plastic Slot Machine Cutting Guide w/Two Adjustment Thumb Screws. Header/Instruction Card SPECS: Width: 2" Length of Adjustment: 1" COMMENTS: Great Planes Backs This Handy Tool With a One Year Quality Guarantee. Instructions are Printed on the Back of the Header Card.