XS Scuba Pocket Mask Alpha 8 Second Stage Knife mounting grommets are ideal

Knife mounting grommets are ideal for Rook Knife (p/n KN500)

Designed primarily for the RIFFE Metal Tech series speargun to add buoyancy and stabilize shooting with parallel pull while spearfishing

The transmitter has a user replaceable 3v CR2 battery and when installed to your regulators 7/6″ threaded high pressure (HP) port with provide the computer with the following unique features

Apeks Goodman Handle for Apeks torches

Freediving

XS Scuba Pocket Mask Alpha 8 Second Stage Knife mounting grommets are idealXS Scuba Rescue Pocket Mask with O2 Port. Features: Compact emergency ventilation mask One way valve for protection Oxygen attachment port for continuous flow Includes protective case