■Features
1. For TOPCON Prism ATPS series
2. Prism height 10cm when putting the prism at the bottom
3. Groove at every 5cm
4. Able to connect with 9mm dia. pin pole
5. The numbers on the pole indicate the prism height(830R/740R)

For TOPCON's 360 degree prism ATP2S only
■Features
1. Join the DM Pin Pole 9mm dia. & 6mm dia. together
2. Prism height: 10cm when putting the prism at the lowest point when using with DMP-50