This counter-rotational metal bond diamond wedge is a 40 Grit, 2 Seg. The 501040-MR is a right hand, metal bond diamond that fits all of National's counter-rotational grinders and is intended for use on medium concrete.

This counter-rotational metal bond diamond puck is a 40 Grit, 24 Seg. The 501040-MP is a metal bond diamond that fits all of National's counter-rotational grinders and is intended for use on medium concrete.

This counter-rotational metal bond diamond wedge is a 40 Grit, 2 Seg. The 501040-HR is a right hand, metal bond diamond that fits all of National's counter-rotational grinders and is intended for use on soft concrete.

This counter-rotational metal bond diamond wedge is a 40 Grit, 2 Seg. The 501040-HL is a left hand, metal bond diamond that fits all of National's counter-rotational grinders and is intended for use on soft concrete.

This counter-rotational metal bond tooling is a 25 /30 Grit, 2 Seg. The 501030-2 is a metal bond diamond that fits all of National's counter-rotational grinders.

This counter-rotational metal bond diamond wedge is a 25 Grit, 4 Seg. The 501025-MP is a metal bond diamond that fits all of National's counter-rotational grinders and is intended for use on medium concrete.

This counter-rotational metal bond diamond tooling is a 20 Grit, PCD. The 501020-PCD is a PCD that fits all of National's counter-rotational grinders.

This counter-rotational metal bond diamond wedge is a 20 Grit, 2 Seg. The 501020-ML is a left hand, metal bond diamond that fits all of National's counter-rotational grinders and is intended for use on medium concrete.

This metal bond diamond is a 16 Grit, 10 Seg. The 501016-10 is a metal bond diamond that fits all of National's counter-rotational grinders.

This counter-rotational meta bond diamond is the #1 step in the process. The 501000-S is a metal bond diamond that fits all of National's counter-rotational grinders and is intended for use on hard concrete.

This metal bond diamond is a right hand, rough profile PCD. The 501000-PCD-R is a metal bond diamond that fits all of National's counter-rotational grinders.

This metal bond diamond is a left hand, rough profile PCD. The 501000-PCD-L is a metal bond diamond that fits all of National's counter-rotational grinders.