Product Catalog Model 175, 1-3/4" Round Button Machine > Model MTD 175, 1-3/4" Round Mounted Manual System > Model 1727 Oval, 1-3/4" x 2-3/4" Oval Button Machine > Model MTD 1727 Oval, 1-3/4" x 2-3/4" Oval Mounted Manual System > Model 1727, 1-3/4" x 2-3/4" Rectangle Button Machine > Model MTD 1727, 1-3/4" x 2-3/4" Rectangle Mounted Manual System >