Manhole collar davit base fits 20 in. to 22 in. (50.8 to 55.8 cm) diameter opening.
The manhole collar davit base is constructed of welded aluminum and features a PVC liner for davit mast rotation. The base can be set up and dismantled easily and features built-in handles which enables workers to transport it from one location to the next.
| Region | Title | Name | Contact Number |
|---|---|---|---|
| Hong Kong | 3M Personal Protective Equipment & Fall Protection Marketing Manager | Alice Leung | Tel: 3008 0321 Email: akleung@mmm.com |
| Hong Kong | 3M Personal Protective Equipment & Fall Protection Account Manager | Ivan Lau | Tel: 3008 0321 Email: ilau@mmm.com |