Fowler 52-585-000-0 Universal Magnetic Base & Indicator Holder

Item Description Base width: 1-1/2″ Base height: 1″ Overall height: 4-7/8″ Lbs. pull: 25 Locking screw and 2 universal ball sockets for setting at any angle or position Microfine adjustment screw Removable extension arm 3-9⁄16" Use with or without arm Dovetail form holder with locking control to hold dovetail test indicators  Accepts .250" diameter test indicator stems Base finished in wrinkled enamel  California Residents Proposition 65 WARNING: This product can potentially expose you to chemicals including Chromium, Lead and Nickel which are known to the State of California to cause cancer, birth defects or other reproductive harm.