Porter Cable PC60TPAG Manuel D'instructions page 9

4-1/2 inch (114mm) Grinding Wheels
Type 27 guard
unthreaded
backing flange
Type 27 depressed
center wheel
threaded clamp nut
4-1/2 inch (114mm)
Sanding flap discs
Type 27 guard
hubbed sanding
flap disc
Type 27 guard
unthreaded backing
flange
non-hubbed sanding
flap disc
threaded clamp nut
Type 27 guard
Type 27 hubbed wheel
Sanding discs
rubber backing pad
sanding disc
threaded clamp nut
4-1/2 inch (114mm) cutting Wheels
Type 1 guard
backing flange
abrasive cutting wheel
clamp nut
9
Wire Wheels
Type 27 guard
3 inch wire
cup brush
Type 27 guard
4 inch wire
cup brush
Type 1 guard
backing flange
diamond cutting wheel
clamp nut