China 4" 100mm Alimunum Backer Pads with 5/8"-11 Thread, Find details about China Aluminum Backer Pads, Backer Pads from 4" 100mm Alimunum Backer Pads with 5/8"-11 Thread
| Item No. | Diameter | Remark |
| BK-100 | 100mm | M14,M16,5/8"-11 |
| BK-125 | 125MM | M14,M16,5/8"-11 |