The Standard version just means the grip does not have any pattern on the backstrap. The grip is shaped differently from the A2 grip so it is slimmer at the top, but fatter at the bottom. It feels better in the hand than the standard A2 grip.
This grip will take the standard 1/4-28x1" grip screw. The grip will include the grip screw and allen key for installation.
They are 3.95 oz.
It is MPN: TD-765.