Drill Chuck 1/2" or 12.7 mm, 13 mm 1/2-20 THD Rabbit Brand

Drill Chucks 1/2" or 12.7 mm 1/2-20 THD.  No Key.

Rabbit Brand 1/2-20 or 13M/M EL Weight 1 lb 1 oz

They all have the 1/2-20 THD.

New Chucks - Old Stock. Sold AS IS.

Some may have light rust.