Features : For use directly with Rolling Motors - electric, hydraulic and pneumatic. For use with Telescopic Shafts. Any combination possible for use with any manufacturers equipment. Specify square size and thread type (if applicable ) on either end of quick change chuck / adaptor when ordering. QUICK CHANGE CHUCK Specify Square Size (to couple to expander mandrel square) TELESCOPIC SHAFTS QUICK CHANGE CHUCKS AND ADAPTORS Specify Square Size (to couple to expander mandrel square) Specify Square or thread size (to couple to rolling motor / telescopic shaft) Specify Square or thread size (to couple to rolling motor / telescopic shaft)