Specifications:1) Easily operated compressed air drive 2) Fast slide track operation3) Micro switch or pedal switch4) Easy to be put on a board or table5) Chrome-plated steel dies for long-term use6) Mold base: 1", 1-1/2", 1-1/4", 1-3/4", 2", 2-1/5", 2-1/4"....