SIPTENK 90PCS BRASS COMPRESSION INSERTS FOR 5 SIZES OD TUBE: 1/2" 5pcs, 3/8" 15pcs, 5/16" 20pcs, 1/4" 25pcs, 3/16" 25pcs.
HIGH-QUALITY BRASS MATERIAL: Siptenk air line fittings are made of brass, which is strong and hard, with better corrosion and rust resistance and pressure resistance, so you can use the brass fittings for a long time.
PRECISE & EXCELLENT WORKMANSHIP: Precise and diverse hose compression fitting sizes, with fine manufacturing process for smooth surface without burrs, ensure users have a good purchase experience and meet different need.
EASY TO INSTALL: The brass ferrules sleeves, used with plastic and copper tubing, can connect lines for air, water, fuel, oil and inert gases, while inserts are mainly used to insert into hoses quickly and easily.