Apex b10m6a-10 3/8" Drive x 10mm 6 Pt. Unfinished Impact Sockets 3pcs.
These are sockets from Apex, who manufactures Armstrong, Allen and KD Tools. These sockets that have no finish or markings on them, but we were told by the manufacturer there are no manufacturing defects.
Aeronca x 33 55w r7 b1