Kirby Morgan 525-218 Helmet Spares Kit For KM-57 Helmet Underwater Chipping Hammer A minimum of 20 PSI

A minimum of 20 PSI water pressure is required at the saw for cooling and lubrication of the bar and chain

Spyderco's Rescue knives are long favored by seafarers and the design has since been embraced by rescue workers

The high torque gear motor drives a standard 5/8-11” threaded spindle

the Saver Salt is a modified Rescue made with state of the art H2 steel

Materials 6061 T-6 hard coat anodized aluminum

Kirby Morgan 525-218 Helmet Spares Kit For KM-57 Helmet Underwater Chipping Hammer A minimum of 20 PSIKirby Morgan 525 218 Helmet Spares Kit For KM 57 Helmet. PART # DESCRIPTION QTY. 330 030 Screw 1 330 035 Washer 1 510 008 O ring 2 510 010 O ring 1 510 029 O ring 1 510 260 O ring 1 510 450 O ring 1 510 490 O ring 1 510 550 Valve, Oral Nasal 1 510 561 Valve, Water Dump, Black 1 510 575 Pad, Nose Block 1 510 628 Neck Dam 1 510 754 Head Cushion Assembly 1 510 683 Chin Cushion 1 510 747 Oral Nasal Mask 1 515 033 Communication Set 1 525 311 Side Block Kit