| model | specifications | S | L | L1 | +0.2 φD1+0.1 | D2 |
| DJ-02 | 1/4 | 11 | 21 | 6.5 | 6.35 | 7/16-20UNF |
| DJ-03 | 7/16 | 14 | 23 | 6.5 | 7.94 | 9/16-18UNF |
| DJ-04 | 3/8 | 17 | 27 | 8 | 9.52 | 5/8-18UNF |
| DJ-05 | 1/2 | 19 | 30 | 9 | 12.7 | 3/4-18UNF |
| DJ-06 | 5/8 | 23 | 32 | 10 | 15.88 | 7/8-14UNF |
| DJ-07 | 3/4 | 28 | 37 | 12 | 19.05 | 1-1/16-14UNF |
| DJ-08 | 7/8 | 32 | 42 | 12 | 22.22 | 1-3/16-12UNF |
Description: using high quality C3771 as raw material and size according to customer requirements.