PROTO 11 BLADE BENT FEELER GAUGE SET 1/2"" X 4-3/16"" BLADES 1/2"" X 4-3/16"" BLADES WITH A 1"" BEND IN STEEL HOLDER. SIZES .006"" .008"" .010"" .011"" .012"" .013"" .014"" .015"" .018"" .019"" .020"". BLADES ETCHED WITH BOTH DECIMAL SIZE AND METRIC EQUIVALENT.