Vernier Caliper Contact Attachment Kit of 3 Contacts from iGaging.
Upgrade your calipers with this contact attachment kit. Suitable for all common/regular vernier, dial, and electronic digital calipers from 100mm to 200mm.
Perfect for measuring slots, grooves, shoulders, holes, webs, & hard to reach places. With a corrosion protected coating the contacts should hold up to most uses.
Kit of 3 contacts and wrench. Calipers not included.