Piston Head - 21 x 36mm LATESHIP With a long slide rail

With a long slide rail accommodating various body types and adjustable resistance levels

Applicator screen 1: 2

16" spotter arms for extra safety

Easy-to-read LED display

text-underline-position: from-font

Piston Head - 21 x 36mm LATESHIP With a long slide railThe Piston Head, located within the Main Cylinder, features two O rings (sold separately) that form a seal to prevent product leakage from the Main Cylinder. As the product is drawn through the Rotary Valve and into the Main Cylinder, the Piston Head pushes the product back through the Rotary Valve, out through the Dispensing Nozzle, and into the product container. Product Specifications: Material: Nylon Plastic Outer Diameter: 21mm (0. 82) Length: