Type 91, Ridge Fittings 27½° Ø26,9 mm

Long Tee. Similar to Type 2. This fitting can be used where a join is required in the horizontal tube.

Female Single Socket. One part of swivel fitting, not generally used alone.

Corner Swivel 90°. Swivel fitting for variable angle fixing for a corner post.

Hook. Fitting used for chain attachments.

Straight Coupling. Joint clamp for tubes of the same diameter. Do not use for heavy vertical loads. Alternative clamp is Type 9 used as an internal spigot.

Groundsocket. A ground socket fitting inside the concrete for fixing upright tube. Post is retained with a locking setscrew, allowing easy insertion and removal (if necessary).