Mini slide DGSL-20-40-Y3A For position sensing, with highly accurate, durable ball-cage guide and very high repetition accuracy, hydraulic shock absorbers on both sides (Y3). Stroke=40 mm, Adjustable endposition range/front length=44 mm, Adjustable endposition range/rear length=42 mm, Piston diameter=25 mm, Operating mode of drive unit=Yoke