Sufficient Quantity: You receive 300 pieces of 1/4 flare cap round brass with/neoprene o ring, our flare caps have an o-ring seal inside, which is very suitable for daily use. Sufficient quantity of round brass caps can meet your replacement needs at any time. Precision Design: Each HVAC 1/4inch male flare locking cap is made with precision design. The brass cap eliminates leakage space and is easy to install and remove, making your operation simple and convenient. Reliable Material:round brass locking caps are made of quality brass, 1/4 flare valve caps have good ductility and sturdiness and provide a tight seal.You can use 1/4 inch flare caps where you need them, they bring you a reliable use experience Seamless Sealing: round brass W/O-ring seal uses a seamlessly integrated neoprene o-ring seal to you achieve a seamless seal.W/O ring fittings caps help you achieve a seamless seal during use,allowing you to work with more confidence. Widely Applications:HVAC valve fittings caps can be widely used in home,industry and manufacturing.These brass caps are for HVAC system to meet your capping needs. Please note: the physical slightly color difference or difference, does not affect the use, please do not mind, thank you! Colour:Photo Color Material:brass Package Contents: 300 x 1/4 flare cap Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.