0.4" Head Diam, 3/4" Shank, Single End, Electronic Edge Finder Accurate to 0.0002", Ball Contact
98-311-4 - Edge Finder

• Precision made in U.S.A.
• Ultra sensitive solid state circuit for fast and accurate positioning.
• Indicator lamps light up at the slightest touch of the workpiece with 360º visibility.
• Spring loaded to safeguard against damage from overrun.
• Hardened and precision ground.
• Long life batteries A76 (LR44 or SR44) included.