Designed for service technicians, the kit contains:

Allen keys: 4mm, 5mm, 6mm, 8mm, 3/16″
Adjustable spanner
Philips screwdriver
Flat screwdriver
2nd stage 4 slot tool
2nd stage orifice adjustment tool
1st stage pin spanner
1st stage handle (to connect to low-pressure port and high-pressure port)
1st stage face tool
Tank valve knob screw driver
BCD low-pressure hose valve tool
Pointed C-clip pliers
Awl
Zip ties x 5
Knife
O-ring hooks x 3
Silicone grease
O-rings: 1st stage LP & HP port / 2nd stage hose / BCD hose valve / yoke or DIN tank valve