Specification
Steel extension joint 4 minutes 1cm,Steel extension joint 4 minutes 1.5cm,Steel extension joint 4 minutes 2cm,Steel extension joint 4 minutes 2.5cm,Steel extension joint 4 minutes 3cm,Steel extension joint 4 minutes 4cm,Steel extension joint 4 minutes 5cm,Steel extension joint 4 minutes 6cm,Steel extension joint 4 minutes 7cm,Steel extension joint 4 minutes 8cm,Steel extension joint 4 minutes 9cm,Steel extension joint 4 minutes 10cm,Steel extension joint 4 minutes 15cm (electroplating type),Steel extension joint 4 minutes 15cm,Steel extension joint 4 minutes 20cm (electroplating type),Steel extension joint 4 minutes 20cm,Steel extension joint 6 points x 4 points 1.5cm,Steel extension joint 4 minutes 1cm (304),Steel extension joint 4 minutes 1.5cm (304),Steel extension joint 4 minutes 2cm (304),Steel extension joint 4 minutes 2.5cm (304),Steel extension joint 4 minutes 3cm (304),Steel extension joint 4 minutes 4cm (304),Steel extension joint 4 minutes 5cm (304),Steel extension joint 6 minutes 1cm,Steel extension joint 6 minutes 1.5cm,Steel extension joint 6 minutes 2cm,Steel extension joint 6 minutes 2.5cm,Steel extension joint 6 minutes 3cm,Steel extension joint 6 minutes 4cm,Steel extension joint 6 minutes 5cm,Steel extension joint 6 minutes 6cm,Steel extension joint 6 minutes 7cm,Steel extension joint 6 minutes 8cm,Steel extension joint 6 minutes 9cm,Steel extension joint 6 minutes 10cm