Neck calipers are available in either point jaw or flat jaw calipers. Point jaw type of neck calipers are used to measure wall thickness inside bores and recesses. Flat jaw type neck calipers are used to measure grooves and recesses. Both the point jaw neck calipers and the flat jaw neck calipers are available in both vernier and digital with data output capability. Measurement options are available for mm or both mm and inches.