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