overall size 22mm x 8mmdia and  29mm x 6.3mm dia, they will need machining as they are solid bronze

 from Bond's O Euston Road , they closed their model engineering dept in about 1973, this are the last chance to get Bonds castings, this is good quality metal, machines well

bought with lots of other castings  by the 2 1/2 inch gauge Association ,

we have lots,they  will be sold in 5s ,if you want more let me know , this is your last chance to get a bit of history

ruler there to show size only