Kennedy: 8" Spring Type Inside Caliper-solid Nut Manufactured from high quality polished steel with ground finished points. A circular spring bow joins the legs and a fine adjusting screw is mounted across the legs and is used for setting the distance between the two points. MPN: 5036140060852 EAN: 5036140060852 8" Spring Type Inside Caliper-solid Nut Attributes: Measurement Range: 0 - 8in Measures: Internal System of Measurement: Imperial