youll also need
8 6-32 x 1.25" screws and nylok nuts per wheel
and a hand full of .125 rivets i would also recommend backing you rivets with washers
and half inch shrink tubing for the rollers

cut the mec wheels.dxf in 1/16 lexan
bend at right angles on the red lines
when bending remember you need left hand and right hand parts
and rivit every thing together

cut the mec rollers out of 1/8 lexan
and stack them in order of size and marks it should got 1 2 3 4 3 2 1
then heat shrink it all together to make one roller
rinse lather repeat till you have all 8 done per wheel

and bolt them on