■Features
1. Distinct graduation design for Hi-Presicion measure
2. Triangle mark (Tri-mark) helps more accurate measuring
3. High durablity of surface printing with Extra Top Coating
4. Button Protection sticker keep out dust & protect from finger scratch
5. The rib on the side can be a shock abosorb
6. 2 Burrs can help you handle easily
7. Hexagobal shape is fixed comfortably with your hand

■Features
1. Most popular model and world's standard
2. Clear and durable graduation print
3. Rigid square shape stopper button
4. 1mm pitch reading on the back
5. Red center line help to collimate
(5mm/10mm graduation model)

■Features
1. E-grade with our Original Tri-mark brings you more accuracy (Only E grade type)
2. Inner height scale is on back side
3. High cost performance with economical price

■Features
1. Light-Weight Standard and easy carry at job site
2. Minimum section type
3. Stainless bottom part

■Features
1. Middle size balanced staff
2. Less section more accuracy
3. Stainless bottom part

■Features
1. The face of prism staff can be used as prism
2. Good for forestry surveying
3. Stainless bottom part

■Features
1. Designed to measure a depth of drain
2. The arm part can be adjusted to fit to diameter of a manhole between 150-450mm
3. 50cm arm is standard accessory
4. Can be used as regular staff with adapter SWG-ADP