Х-ка 5:
When other accessories are attached to the waterproof case, the number of weights may vary.
Х-ка 3:
Four weights, plastic pins and weight securing screws are included.
Х-ка 4:
To use this weight, put two pins into the appropriate number of weights, and fasten it to the waterproof case with the securing screw.
Х-ка 2:
Used in Canon Waterproof Cases to prevent them from floating while taking pictures underwater.