Worm is hardened and ground. The ratio is 90:1. The work table is graduated a full 360° so that one turn of the handle moves the table through 4°. Micro collar is graduated in steps of 1' min and vernier scale makes settings down to 10 seconds possible.
Specifications:
Ordering information:
- Minimum Order: Negotiable
- TEL: 886-4-22612738
- FAX: 886-4-22614507
- E-mail: jei.chuan@msa.hinet.net