The 1193 Insize Digital Vernier Caliper comes with inside and outside ceramic tipped measuring jaws for extreme wear resistance. Available with or without thumb roller for fine adjustment and high speed measurement. The Caliper is made of stainless steel for longer tool life and durability from machine shop wear. With optional SPC cable data output. Measurement range up to 300mm (12). Ceramic tipped jaws for outside measurements. Resolution: 0.01mm/0.005". Button function: on/off, zero, mm/inch. Automatic power off (move digital unit to turn on). Battery CR2032. Data output. Made of stainless steel. Optional Accessory: data output cable (code 7302-SPC5A).