Guess what these are...

[adam quantrill]

Youtube video

It is wedge-related!

[NaCl]

Valve pushrods?

[wooly350i]

Balancing something perhaps, any way i reckon that cheese rolling lark is for menal heads, local casualty department must get inundated, ære they all on crack?

[ElvisWedgely]

They are linkages of some type? Throttle or door linkages? Tell me what the prize is for getting it right and I'll think harder :-)

Tony. TCB.

[jeff m2]

They are prop shaft removal practice holes.

(lay on the floor with a heavy broomstick while somebody holds one of these by your left ear so you canpractice poking broomhandle thru hole)