No.6 screw set
This set incorporates one of each of the four main lines and is designed for No.6 screw size.
No.8 screw set
This set incorporates one of each of the four main lines and is designed for No.8 screw size.
No.10 screw set
This set incorporates one of each of the four main lines and is designed for No.10 screw size.
