What type of plastic tool is this?

[orabrush]

This is about 2cm wide.

[*ibis]

g'day ora

https://www.google.com/search?q=bucket+opener&espv=210&es_sm=122&source=lnms&tbm=isch&sa=X&ei=PIGiUq...

[jimmy*part4]

A non adjustable adjustable wrench.

Good for working on a Susie Homemaker sink.

[siggie-reported-by-alarmists]

Ask Bob The Builder.

[nevillesdaughter]

For opening those big (10 - 20 litre) paint/fertilizer  buckets etc.

Marina.

[kennedia_nigricans]

bottle opener.

[jimmy*part4]

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@nevillesdaughter wrote:

For opening those big (10 - 20 litre) paint/fertilizer  buckets etc.

Marina.

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Wow...I thought it was a joke, but you're right. The pics are in the link Ibis posted. We call them spackle buckets or a 5 gallon bucket, but I never saw a tool to open them. I always inserted a screw driver into the slot and pried upward, breaking the seal, which would turn the slot into a slit....making it possible to open and close them using only your hands.

Pics from the link....1st one with the slot, 2nd with a slit