More options available 
hereIndividual Color Coordinates with Each Size 
- #15 (Red)
- #20 (Purple)
- #25 (Green)
- #30 (Black)
- #40 (Blue)
Material Application: Brick, Concrete, Duct/Sheet Metal, Steel, Wood
    Compatible with a wide variety of GRK screws 
- Cabinet screws
- Concrete screws 
- Finishing trim head screws
- Framing screws
- Structural screws