Insert - for Plastic Tubing and Compression Fittings View Specifications O.D. Tube Prepack ManufacturerPart # Add To Cart Brass Insert for Plastic Tubing and Compression Fittings 1/8 63P-2 $0.69 Brass Insert for Plastic Tubing and Compression Fittings 3/16 63P-3 $0.78 Brass Insert for Plastic Tubing and Compression Fittings 1/4 63P-4 $0.40 Brass Insert for Plastic Tubing and Compression Fittings 5/16 63P-5 $1.15 Brass Insert for Plastic Tubing and Compression Fittings 5/16 63P-6 $0.63 Brass Insert for Plastic Tubing and Compression Fittings 1/2 63P-8 $0.74 Brass Insert for Plastic Tubing and Compression Fittings 5/8 63P-10 $1.59 Brass Insert for Plastic Tubing and Compression Fittings 3/4 63P-12 $4.74 Brass Insert for Plastic Tubing and Compression Fittings 1/8 100 pcs/bag 63P-2PP $0.69 Brass Insert for Plastic Tubing and Compression Fittings 3/16 100 pcs/bag 63P-3PP $0.78 Brass Insert for Plastic Tubing and Compression Fittings 1/4 100 pcs/bag 63P-4PP $0.40 Brass Insert for Plastic Tubing and Compression Fittings 5/16 100 pcs/bag 63P-5PP Brass Insert for Plastic Tubing and Compression Fittings 3/8 100 pcs/bag 63P-6PP $0.63 Brass Insert for Plastic Tubing and Compression Fittings 1/2 50 pcs/bag 63P-8PP Brass Insert for Plastic Tubing and Compression Fittings 5/8 25 pcs/bag 63P-10PP $1.59 Brass Insert for Plastic Tubing and Compression Fittings 3/4 25 pcs/bag 63P-12PP $4.74