Erm

[JFC]

Whats a bushing thingy :?
http://www.turners-retreat.co.uk/acatalog/Project_Accessories.html On the key ring bit .
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[Russell]

They are used when turning on a mandrel to either hold the brass tubes or to size the work . ie you turn down to the diameter of the wood. Different kits require different sizes but you can get a way with cone shaped bushes and some calipers if your careful