Bitspower G1/4" to 7/16" ID, 5/8" OD Compression Fitting V2 for Soft Tubing
Amazon.com: CIVIVI Fixed Blade Elementum Knife 3.98" D2 Blade, Flat G10 Handles, Belt Knife with Kydex Sheath, Tied Paracord Lanyard, Clip for Outdoor EDC C2105B : Tools & Home Improvement
G 1/4'' Stainless steel Closing plug with Inner Hex 40 Bar | Tameson.com