1 of CTA part # 23069 3/8-16 thread repair insets refill

23059 - Pro-Thread Thread Repair Inserts 5/16 - 18 UNC

23079 - Pro-Thread Thread Repair Inserts – 7/16 - 14 UNC

Vintage The Colchester Lathe co LTD Open Ended Spanner - 3/8" & 7/16" UNC

23049 - Pro-Thread Thread Repair Inserts 1/4 - 20 UNC

33070 - Replacement Tap - 3/8 - 16 UNC

Vintage Colchester Lathe Snail 5/8" x 7/8" UNC Spanner Excellent Condition

24099 - Pro Thread Inserts - UNC 9/16-12