Dasqua 0-1" .0001" outside micrometer. Accuracy is 0.00015". Strictly made in accordance with DIN 863. Ratchet stop for constant pressure. Spindle thread is hardened, ground and lapped for ultimate accuracy. Clear graduations laser-etched on a satin chrome finish for easy reading. Spindle lock. Carbide measuring surfaces are ground for longer service life. Fitted case.