Carpet Cutter/Drill Guide, Size 3/8 In ( 9.52 mm), Hardened Steel, Serrated Blade, Stainless Steel, Beveled Construction, Bores A Clean Hole In A Carpet And Serves As A Drillbit Guide To Prevent Carpet Snags And Snowballs, Can Be Used On Any Floor Carpet, The Drill Guide Accommodates Up To A 7/16 In Bit And Protects The Carpet While Drilling Through Sub-Flooring, For Use With Power Drills. This item has been restricted from sale in the following state (s): []