More Budget Friendly Version of the billet clamp on guide 
Shipped standard with new kits, will last the entire kit build if taken care of.
For the maintainer doing light mx this should last a long time as long as you do not get the drill bit too hot in the guide.  
Comes with:
1- jig
1- "f" drill bit/guide
1- #12 drill bit/ guied
2- clamping bolts 
2- wing nuts
2 - flat washers