Central Tools 3M430A, Electronic Digital Rotor Gauge, 0 - 1.3" Replaces CE3M330

• Improved design for easier measurement of brake rotors
• Depth rod for measuring pad wear
• Pointed anvils and 3.50" longs arms to inspect rotors before turning or replacing them
• Improved anvil and arm design to better get into scores and tight spaces
• Easy to read digital display with inch / metric conversion
• 0-4.00" / 0-100mm range with.001" / .01mm graduations
• Uses an SR44 / 357 battery