Tesa is a brand of Brown & Sharp ; The item is both Brown & Sharp and Tesa . Easy-to-read dial calipers - slider with metal dial housing - models with a 200 or 300 measuring span fitted with a thumb roller. Rugged construction - high accuracy - patented shockproof design - ideal for use in the workshop. Maximum permissible errors limit deviations: 100mm = 30 µm. Comes in suited plastic case. Identification number. Inspection report with a declaration of conformity. Reverse numbering or left: 0.1".