This is not needed if you bought the MechMate Basic Laser Cut Parts set above.
This is the rail skate that is used to grind rails from angle iron for mainly CNC equipment.
The set is only the Laser Cut Parts. You must provide Nuts, Bolts,Washers AND Grinder.
Assembly pictures and use instructions can be found at www.mechmate.com
and search for "skate".
Shipping in the USA lower 48 States is included in the price.