Sherwood Onyx Mask Diving Gauges Logbook provides data for the

Logbook provides data for the last 20 dives to allow for post-dive review and analysis

and the SCUBAPRO broad range takes individual differences into account

Low volume

Blade type: Split

This allows the Airsource to remain with the diver’s complete regulator for packing and traveling

Sherwood Onyx Mask Diving Gauges Logbook provides data for theThe Sherwood Onyx Mask is a great low profile dual lens mask only available in one color: Stealth Black. Comprised of durable yet flexible silicone, this mask is perfect for spear fishing, free diving, scuba diving, or snorkeling! The Sherwood Onyx Mask is a great low profile dual lens mask only available in one color: Stealth Black. Comprised of durable yet flexible silicone, this mask is perfect for spear fishing, free diving, scuba diving, or