Altraco MBS-03 3 Pc Electronic Tire & Brake Gage Set

On/Off button \"“ Hold ButtonFloating zero button for easy direct reading of relative measurementsInch / metric conversion or reading at a switch of a buttonStainless steel hardened frameLarge digits high contrast LCD displays 5 digitsSerial data output port for interface with computer/printerFitted in plastic box with extra SR44 batterySpecifications Reading .0005X0.01mmSet includes Tire depth gage MBT-01, Disc Brake Caliper MBD-06 & Drum Brake Caliper MBD-12