Sample Loop, Cheminert/Rheodyne, 1 ul, For HPLC Valves, PEEK 1 EA.

The ValveTool™ is very popular because it is designed to reach onto your HPLC instrument's, Rheodyne™ or a Valco™ Injector while tubing is still attached to the Injector or for use on other valves with 1/4" connecting nuts .

Easy to tighten or loosen the 1/4" connecting nuts without twisting the tubing during wrenching. The opposite end of the ValveTool™ is a 5/16" flat wrench.