Manhole collar davit base fits 22 in. to 24 in. (55.8 to 60.9 cm) diameter opening.
| 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 |