G2 = Power hp (G1- 0.4 , G2- 0.8 , G3- 1.35)
A = Model Config. (A- Angle Grinder, E- Ext. Angle Grinder Small, L- Ext. Angle Grinder Large, H- Horrizontal No Nxtension, X- Extended Hor. Grinder, XX- Double Bearing Ext. Horr., S- 2” Extension )
120 = Free Speed (12,000 rpm)
R = Exhaust Direction (R - rear, F - front, P - piped away)
P = Output Type (P - Type 27, H - Type 1, G - Collet Tools, S - Sander Arbor)
10 = Output Size -Type 27 Tools (6 - 3/8”-24 thread arbor English, 7 - 3/8”-24 thread arbor Metric [for 100mm, 125mm, or 150mm x 22.2mm], or 10 - 5/8”-11 thread arbor English,) Type 1 Tools (6 - 3/8"-24 thread arbor English) Collet Tools (4 - 1/4" collet) Sanders (4 - 1/4"-20 thread, 418 - 1/4" x 18" , 812 - 1/2" x 12", 818 - 1/2" x 18")
45 = Guard Sizes (3- 3” guard, 4- 4” guard, 45- 4.5” guard, 5- 5” guard, 6- 6” guard)