1、Fitment: Turbo cell wrench is compatible for Hayward Turbo Cell and for Hayward GLX‑Cell 2 inch fittings, this spanner is perfect for 15 pads but not 16 pads! 2、Manual Tightening: Remember that these connections should only be tightened by hand. Only apply enough force to stop the connection from leaking. 3、Please Note: The size of the spacer on the coupling nut. The spanner is designed to work in one direction only. The handle needs to point in the opposite direction to tighten and loosen the coupling. 4、Prevent Breakage: Plastic wrench avoids cleaning the connector When removing or installing the coupling, the coupling nut may break due to improper operation. 5、Robust Material: The wrench is constructed from a strong plastic material. This makes the connector erosion proof, abrasion resistant, and more lightweight.