Wheel lug bolt and lock key.

Used, and all have been cut to fit some application.  Two of them is longer than the other two.

M12x1.50

Conical seat

Outside diameter, 0.87" (22mm)

Approximate lengths:

Shank length, 1.28" (32.5mm) x2pcs.

Shank length, 1.38" (35mm) x2pcs.

Overall length, 2" x2pcs

Overall length, 2.1" x2pcs.

Unknown manufacturer.  

Use them as parts, still threads properly and tightens properly, but for high performance wheel use, I won't trust these.  For vintage trailer queen builds, no problem!