Check the listing for details. 1/2" Dia 20" L Plastic Round Rod Black Engineering Polyoxymethylene Bars,3pcs. Condition: New. Listed at 20.48 USD. Round BarsWhy Choose This:★【GOOD DESIGN】- 12mm(1/2") diameter 50cm(20") length polyoxymethylene rod use for aerospace, mechanical (POM) polyoxymethylene rods engineering, agriculture, industry, etc.★【GOOD DESIGN】- Plastic round rod made in POM Material,Excellent Toughness; High temperature resistance, wear resistance and corrosion resistance.Good electrical insulation; Good dimensional stability.★【ADVANTAGES】- In the higher humidity range，it has superior impact resistance , temperature and humidity have little influence on it, and it still has great rigidity in high-temperature water.★【FEATURE】- It is a high melting point, high crystalline thermoplastic (POM) Polyoxymethylene Rods Engineering plastic. it is very suitable for machining on automatic lathes, especially for the manufacture of precision parts.