Made of steel tubing. Used often in low pressure piping situations, like with water, oil, air or gas lines. They function by connecting straight pipe to straight pipe.
*Dimmer Knob White$3.99
2-1/2 PVC Sch40 Tee$8.99
3/8x8 Zinc Screw Hook$1.49
3/4 Purdy Contractor Roller$4.99