This mitre box is a simple mechanical means of preparing a shortened length of 30 and 50mm duct for connection to another standard part. e.g. elbow, cross connector, etc. The mitre box ensures that a true 90-degree cut is achieved with a panel saw (Part No: 100 x 060) on each of these duct sizes.
|Duct Size||30x30mm, 50x50mm|