Type 18, Three-way elbow 90°, black - 25x25 mm

Two Socket Cross - 25 mm. 90°- joint clamp between the middle rail and an upright on railings.

Angle of continuous upright with lip - 25 mm. Corner connection (90°), where the vertical tube runs through the clamp.

Hook twisted - 25 mm. Suited for making coat hangers and the like.
Suitable for square tube 25 x 25 mm

Side Outlet Tee - 25 mm. 3-direction clamp used to fix uprights with 3 horizontal tubes that are perpendicular to each other. The upright tube passes through the clamp.

Collar Plate Double Side 90°. Panel fixing with two lugs also used for locking gates.

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.