Features :

Highly durable because of carbide-tipped contact points.
Measurement can be taken closer to the bottom of a blind bore.
With Ratchet Stop for constant force.
Setting rings for zero point adjustment are optional.

Specifications :

	Measuring Range	Order No.	Graduation	Permissible Error	L	b	c
	6-8mm	271-151	0.001mm	0.004mm	30	2.5	1.5
	11-14mm	271-154	0.005mm	0.004mm	48	6.3	0.4
	20-25mm	271-157	0.005mm	0.004mm	50	9.2	0.4
	40-50mm	271-161	0.005mm	0.005mm	55	16.5	0.5