This is the 1/4 inch square brass hose from K&S Precision Metals. Features: ideal for scratch builders, model makers, crafts, machinery, shops and architectural applications. Can be cut to desired length Package Content:1/4" Square Brass Tube Technical data: length 30.5 cm, width 1: 10.2 cm, height 1: 10.2 cm Part number (N) included (in original packaging): 8155, Weight: 0.1 Pounds, Manufacturer: K&S-Metall