Product Info Catalog Tools Power Drill, Bits & Accessories Master Mechanic Screw Guide Set Master Mechanic Screw Guide Set Request a Quote UPC: 52088053768 SKU: 855908 Model Number: 855908 Master Mechanic, Screw Guide Set, Hex, Helps Align Screws For Easy Start Up, Guide Sleeve Helps Keep Bit In Contact With Screw Head, Fits All Drills & 1/4" Quick Change Chuck, Includes 1 Each 80MM & 120MM Screw Guides.