Dumb question how do I measure the size of my angle grinder , it's one of those 4" types but dunno exact size for new discs, there's a couple different sizes
 
Dumb question how do I measure the size of my angle grinder , it's one of those 4" types but dunno exact size for new discs, there's a couple different sizes
Usually disks are 115mm or 125mm when new, but they get smaller with use... Same internal hole of 22.something mm.

Our grinder is for 115mm and the guard almost but not quite takes 125mm. Recently I was needing to cut a lock's tongue off as a friend had lost the keys to a door marked for fire use (two door to same room, on same corridor, different keys WTF?!) and I had to use a 125mm disk and no guard. DO NOT DO THAT! As well as the usual PPE (gloves, eye protection goggles, ear defenders) I was very, very, careful not to have any of my body in the line of fire if the disk shattered at 10,000 rpm and tried to exit via the far window.
 
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I'm upgrading some of my pliars

What's the best size knipex combination pliers to get 160/180/200 , I have 2 old knipex ones but don't know what size they are ?

Looking for something comfortable for one-handed use
 
I'm upgrading some of my pliars

What's the best size knipex combination pliers to get 160/180/200 , I have 2 old knipex ones but don't know what size they are ?

Looking for something comfortable for one-handed use
measure them. the 160/180/200 is the overall length.
 
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what are some tools that were worth the price tag?
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