| Product Code | Thread Type | Material |
| GK-G1 | 1/2" | Steel + Hot-dip Galvanized Coating |
| GK-G2 | 3/4" | Steel + Hot-dip Galvanized Coating |
| GK-G3 | 1" | Steel + Hot-dip Galvanized Coating |
| GK-G4 | 1 1/4" | Steel + Hot-dip Galvanized Coating |
| GK-G5 | 1 1/2" | Steel + Hot-dip Galvanized Coating |
| GK-G6 | 2" | Steel + Hot-dip Galvanized Coating |
| GK-G7 | 2 1/2" | Steel + Hot-dip Galvanized Coating |
| GK-G8 | 3" | Steel + Hot-dip Galvanized Coating |
| GK-G9 | 4" | Steel + Hot-dip Galvanized Coating |
| GK-G10 | 5" | Steel + Hot-dip Galvanized Coating |
| GK-G11 | 6" | Steel + Hot-dip Galvanized Coating |
