Small watchmaker Rotary Table for milling operation with Table Diameter - 2.75 Inches (72 mm) Worm- Gear Ratio is 1: 48, which means that 1 handle rotation shall turn the table 7.5 degrees. Height when lay Horizontal :1.5 Inches (39 mm ) Caste Iron Ground table, all marking engraved with laser machine, chrome handle, painted body, great quality Comes with option of 2 & 4 slots base along with option of 50 mm 3 jaw & 4 jaws self centering chucks & 4 jaws Independent dog chucks. Suitable allen keys and fixing t nuts are being provided along. Great combo for small milling jobs for watch makers and hobbyists.