Trapezoidal rail; height 20 mm
channel to: M8 square nut or tarpezoidal nut 28/15
Trapezoidal rail; height 30 mm
channel to: sliding groove with ball
Trapezoidal rail; height 40 mm
Trapezoidal rail; height 60 mm
Trapezoidal rail; height 70 mm
Trapezoidal rail; height 100 mm