Type 4, Long Square Tee black 40x40mm

Knee piece 90° - 40 mm. Elbow fitting (90°) as end stop for the overhead rail.

Short T-piece - 40 mm. Forms a perpendicular connection between two tubes. Upper fitting for straight, horizontal railing supports. This fitting can not be used for horizontal tube connections in the fitting itself.

Three-way elbow 90° - 40 mm. Angle connection clamp (90°) for corners of overheads and all other angled connections.

Two Socket Cross - for tube 40x40 mm. 90°- joint clamp between the middle rail and an upright on railings.

Female Single Socket. Often used together with other brackets, such as Type 36, 38, and 40. One part of swivel fitting, not generally used alone.

Single Swivel. Swivel fitting for variable angle fixing.