Reddit reviews HWEIZU 5PCS Reusable Glass Syringe Metal Plunger & 14 Gauge-Long Blunt Tip Needle, for Extracts, EJuice, Liquid, Glue, Paste, Gel, Hemp, CBD Oil, Wax,Hemp Oil, Lab - 1ml Capacity, 5 Pack Set

5pcs glass syringe with blunt needles for Extracts, Oils, EJuice, Liquid, Glue, Paste, Gel,wa-x,Hem-p oil, Lab ,Made from high quality heat-resistant borosilicate glass, which can withstand heat variations and wear better than plastic syringe and typical glass ,Borosilicate glass enables great optical clarity.The Metal Plunger can easily push out and pull in ,it does not have the problem of rubber falling off ,and the metal plunger has the effect of exhausting when pushing.The Metal Plunger is fixed with 3 rubber O-ring seals each to ensure the injectors remain air-tight, so oils don't oxidize,besides,metal with good resistance to corrosion, oxidation and heat. The Luer Lock cap keeps the syringes airtight and prevents leaking when secured and not in use .Syringes have measurement marks in 0.05ml increments and are numbered in 0.2ml increments up to 1ml .The included 14 Gauge - 1.5" long Blunt tip needle can be used for cleaner and easier drawing & dispensing .Cleaning & Reuse is simple. The glass syringe can easily be disassembled into 4 main components, easily cleaned and reassembled for use , shock resistant.