Quickun Brass Fitting 3/8" Brass Hex Plug Pipe Fitting, Internal Hex Thread Socket Plug (Pack of 6) 3/8" NPT（6Pcs) sold2026 The reflective strip to keep

The reflective strip to keep visible in low light conditions

Tin Coated For cut-off and grooving

Standard 15mm Rod Hole It features standard 15mm rod hole

Snap Tight Lid

Quickun Brass Fitting 3/8" Brass Hex Plug Pipe Fitting, Internal Hex Thread Socket Plug (Pack of 6) 3/8" NPT（6Pcs) sold2026 The reflective strip to keepQuickun Brass Fitting 3 8" Brass Hex Plug Pipe Fitting, Internal Hex Thread Socket Plug (Pack of 6) Product Features 1000 PSI Maximum pressure Used with brass, copper, iron pipe Machined from bar stock Temp. range: 65 to 250 Degree F Great for blocking off intake manifold water ports, water pump ports, water temp and oil sender holes, engine block