1" R4 - MSHA
1 1/4" R4 - MSHA
1 1/2" R4 - MSHA
2" R4 - MSHA
2 1/2" R4 - MSHA
3" R4 - MSHA
4" R4 - MSHA
1/4" R6 Multipurpose
5/16" R6 Multipurpose
3/8" R6 Multipurpose
1/2" R6 Multipurpose
5/8" R6 Multipurpose