This sample pack contains both our degreasers and both our truckwash products. One of each is caustic and one of each is non caustic. With this pack you can wash anything vehicle wise and handle most oil and grease issues. 
One gallon of the following included:
GP-20 degreaser 
Big G degreaser (caustic)
Truckwash T-45
Truckwash T-Special (caustic)