•Thickness Gage or Feeler Stock Model 667 •In 12″ Inch and 30 cm (Metric) Lengths •Convenient 12″ lengths, 1/2″ wide •32 Thicknesses meet all requirements •Rounded ends - no ragged edges •Made of finest tempered steel •Each piece marked with thickness and in individual envelope •With convenient 3/16″ hole punched in end for hanging up