The All-in-one handy compact scuba multi-tool contains stainless steel tools each with a specific scuba purpose:

1) 1/4" Alun key for DIN Insert
2) 3/16" Alun Key for Port Plugs
3) 5/32" Alun Key for Valve Dip Tube
4) Valve Nut Slotted Screwdriver
5) Phillips Screwdriver
6) Inflator Valve Schraider Tool
7) O-Ring Pick
8) Orifice Adjustment Flat Screwdriver