This bi-function tool fits Scubapro D-series regulators (D300, D350 and D400). The large side featuring 3 pins is used to install and remove the plastic cap (part# 11.011.126). The surface is slightly recessed for better fitting onto the part. The smaller side with 2 pins is used to conveniently install and remove the metal plug or retainer inlet (part# 11.011.117).

The body is machined from Acetal with stainless steel pins and t-handle.

Regulator is not included.