Type A joint: 

shaft outer diameter 20MM (with locking

Nut), length 30MM. Pin hole 10MM, pin hole

14.5MM from center to top of connector.

The ball heads of the upper clamp are 25MM, 25.2MM,

Available in four specifications: 25.4MM and 38MM; below

The inner diameter of the clamp is 45MM, and the specific height of the lower clamp is

150MM with locking wrench.

When not equipped with connectors, the clamp body has M12 internal teeth.

Type B joint: 

hole inner diameter 20MM, depth 30MM.

Pin hole 10MM, center of pin hole to top of joint

14.5MM. The upper clamp ball head has 25MM and 25.2MM

, 25.4MM, 38MM four specifications optional; lower clip

The inner hole diameter of the tool is 45MM, and the specific height of the lower clamp is 150MM.

Equipped with locking wrench. When not equipped with connector, the clamp body is M12.

tooth.