Inner groove caliper

Analog Groove Caliper 15–150 mm This precision analog caliper is designed for measuring internal groove diameters in sealing applications such as cylinders, pistons, and gland housings. Ideal for service shops and hydraulic component repair or assembly. Measurement range: Bore size: 15 mm to 150 mm (9/16" to 6") Groove depth: 5 mm to 10 mm (3/16" to 3/8") Accuracy: 0.05 mm (1/128") Durable and easy to use, the analog display offers fast, reliable readings even in demanding workshop environments.