The Extension center to center width has 2 options (C-C 90mm and C-C 178mm) by switching the right and left extension clamp.
Optional 20mm, 40mm, and 60mm spacer kit for height adjustability, 60mm stack height needs the additional span to secure the setup.
Flip-Flip Base bare design allows a 40mm height difference.
Extension angle adjustability: Vertical: ±10°, Horizontal: ±5°
Elbow Pad adjustability: Horizontal Angle: ±5°, 6 different position setups.
Weight: 690g (minimum stack)