OMT1158 Features: * Used in manufacturing, tool & die, and maintenance operations wherever setting close spacing or checking extremely tight tolerances is required * Hardened and tempered to RC 48-62 * Thicknesses are clearly etched every 6"" in decimal and metric * Also available in bulk quantities * Material: Steel C1095 * Measuring System: Inch * Type: Feeler Gage * Quantity: 12 per box * Packing Type: Box * Price is for 12 Eachs * Testing and approvals: * Meets FED-GGG-G-17C Options: * Other sizes or thicknesses are available on special order Dimensions: * Feeler Gage is made from 1/2"" wide spring steel stock, close grain C1095 high carbon steel * Length: 12 in * Width: 1/2 in