Use the manufacturer's new rebar spreader to position and spread rebar to allow for easy grout pouring using a stinger to vibrate grout down the concrete block cells. It is also ideal for corners. Also, simply slide the new rebar hanger over vertical rebar, slit it down inside the concrete block cell, and hang it on the horizontal rebar. This allows crews to hang and position up to six vertical rebar in the same it would take two workers to hang and position one rebar using conventional methods. MT Masonry Products. 801-920-1463.