Brass Hex Plug Square 15mm from Reece

Sioux Chief 1/2 inch Lead-Free Brass Square-Head Plug

Brass Plugs Stop Plugs Square Hex Plugs Precision Brass Parts Copper Parts Stainless Steel Parts Pressed Parts Casting

Legines Solid Brass Pipe Fitting, 1/8 NPT Male Square Head Plug (5 pcs) : Industrial & Scientific

15mm Thermostatic Mixing Valve TMV 2/3 - CLEARANCE - On-Demand Supplies

Recessed Floor Sockets Antique Brass

Brass Fittings

Kinetic 15mm Brass Threaded Hex Plug - 4700224

Cooper Commercial Grade Straight Blade Plug - Thermoplastic Vinyl - Yellow - 15-amp 4867-BOX

Brass Threaded Hex Socket Plug 1/4 Male Pipe Thread