QUICKCHANGE TOOLPOST SET FOR MYFORD LATHES. THIS QUICKCHANGE SET COMES COMPLETE WITH. 2 3 X STANDARD TOOLHOLDER 12MM CAPACITY. 3 1 X VEE HOLDER (LIKE A STANDARD HOLDER BUT HAS A VEE IN THE BASE FOR HOLDING ROUND TOOLS) THESE CAN BE USED AS STANDARD HOLDERS AS THE VEE IS IN THE MIDDLE. BLOCK DIMENSIONS ARE 57MM SQUARE AND 37MM HIGH. PLEASE NOTE - WHEN USING THIS QUICK CHANGE TOOLPOST ON A SERIES 7 MYFORD LATHE, YOU WILL HAVE TO USE 8mm OR 10mm TOOLS, OR ON THE SERIES 10 LATHES, 6mm TOOLS. THIS IS BECAUSE THE CUTTING EDGE OF THE TOOL WILL BE ABOVE CENTRE HEIGHT WHEN USING BIGGER TOOLS....