Type III difficult coat anodizing Aluminum alloy Standard clamp used to attach two arm, baase adapters and strobes together. ( Puts 2 ball collectively ) Works with 1Inch ball palms for CamDive, Meikon, Ikelite, TLC, Ultralight, Nauticam and others Colour:Black Material:Aluminum alloy Size:10 x 4 Package Contents: 1 * Flash Light handle Mount Only the above kit content, different merchandise usually are not included. Note: Light reflection and various reveals may cause the colour of the object in the photo slightly diverse from the genuine thing. The dimension allowed error is +/- 1-3cm.