It is the hub preventing cement grout to leak in the case pipe used to keep distances fixed between reinforced concrete curtains column and beam forms. It may either be closed with its special plug or may be taken apart for reuse at the end of work.
| Hole Diameter Ø(mm) | Pipe Outer Diameter Ø(mm) |
| 16 | 22 |
The price is for a bag of 1000 pcs.
Product for professional use only.
