1. Thread Converter / Adapter 1/2"-28 UNEF Female to M14x1 LH  Male 
  2. 35 mm /1.4" Length
  3. Diameter of Internal Hole : 10 MM / 0.38"
  4. Steel , Black
NOTE:

*Total 7 sizes Barrel thread to M14x1 LH Male Converters are on sale online under TUFFORCE Brand as list below,
      
** All international shipping is available without refund if lost outside USA.
*** Shipping from Tufforce warehouse in Michigan, USA within 1- 2 business days.