Magna-Matic Arbor Wrench ORMD #3570160 is a Type 4A2P

#3570160 is a Type 4A2P Diamond Grit Wheel for Face

Each Shapton Kuromaku Professional Stone comes in its own storage box that doubles as an in-use stone holder

Complete Vise Assembly for Speed Sharp Compact Chain Grinder

A good three grit set is the 400

Set the stone at whatever position works best for you

Magna-Matic Arbor Wrench ORMD #3570160 is a Type 4A2PArbor Wrench for Magna Matic Mower Blade Grinders When changing grinding wheels, the Arbor Wrench fits into notches on the back of the arbor to prevent it from turning while the while the 9000 21 Spanner Wrench is used to turn the arbor nut. The 9000 53 Arbor Wrench is the same as the one included with the Magna Matic grinders.