ZS Series - Standard Carriage Cylinder ZK Series - Short Carriage Cylinder ZF Series - Standard Guided Carriage Cylinder ZFK Series - Compact Guided Carriage Cylinder ZG Series - Gripping Cylinder ZP Series - Tandem & Parallel Cylinders ZD Series - Double Action Cylinder 0 KT Series - X - Y Axis Assembly AS Option - Shock Absorber Cushioning