Butt Weld Pipe Fittings - 3" Cap SCH 40 316/316L SS
1.5 ml Screw Cap Tube. Conical, Clear Tube with Cap. - Novasbio
AN929-4 Cap - diameter: 1/4 - Military Fasteners
1 2/ 3" width 316 Stainless Steel End Cap Rounded for Tube 1 2/3" Diam. | Indital USA
Amazon.com: Prescott Plastics 1.25" Inch Square Plastic Plug Insert (4 Pack), Black End Cap for Metal Tubing, Fence, Glide Insert for Pipe Post, Chairs and Furnitures : Industrial & Scientific
Kim-Kap Test Tube Caps
Thermo Scientific Screw Cap Micro Tubes:Tubes:Microtubes | Fisher Scientific
1.5" NPT Pipe Cap with Chain
Everbilt 2 in. Copper Pressure Tube Cap Fitting C617HD2 - The Home Depot