1. Barrel Thread Adapter Fit for oil filter and 2 PCS. Muzzles of Tufforce as pictures.
Internal Thread: M13.5x1 LH (Female)
External Thread: 13/16"-16 (Male), As same as Oil Filter thread
2. CNC Machining,
2. CNC Machining,
3. Steel, Oxide Black.
4. Shipping from Tufforce warehouse in Michigan, Delivery with in 2 days.
5. total 10 sizes the barrel thread adapters are on sale under Tufforce Brand .
1/2"-28 M13.5x1 LH
1/2"-36 M14x1 LH
9/16"-24 M15x1
9/16"-24 LH M16 x1 lh
5/8"-24
11/16"-24
Return and refund within 1 month,
replace for quality problem within 3 monthes