Extended Arm Assembly PRO Version & Accessories for Mobile 1 Multiple combinations quite convenient use. Product Introduction: Four extending bayonets available, any one of which can connect to other parts. The bayonet perfectly matches with the bayonet, leaving no space Aviation aluminum processing anodic oxidation process high precision marking. You can have more patterns and combinations for FOLDEN PAIR. Extended Arm PRO& universal mount pro. Colour:black Material:metal , aluminum alloy Package Contents: 1 x Extension Arm Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.