Block Work

COMES WITH WINDOW STYLE SIGHTS. FOR USE WITH ANY DEGREE WHEEL.

dwell any place in the cylinder with this attachment!

dwell the honing head in any position in the bore at any time during the stroke cycle

This tool is for installing rings parallel to deck when checking file fit ring gaps

range 2-5 inch

For Rottler Boring Bars

for 900, 944, 777 boring bars

For 2-3/4" stones 

These are among the items that are discontinued from Sunnen 

We are having them made