【Material】-H62 brass. The content of brass is 62%. 【Size】-12 Gauge x 5.9″ x 5.9″ (2mm x 150mm x 150mm), 1 Pcs. Material Brass. 【Nice Appearance】-Brass bars are widely used in DIY handicrafts, jewelry, decoration, electrical engineering, welding, models, motors, gear shafts, motor shafts and short supporting shafts.