NET CUP CLONING COLLARS INSERTS for DIY CLONERS (50, All Black) * 50 BLACK CLONING INSERT COLLARS at the preferred 48mm x 19mm (1.89" x 3/4"). These are the ultimate replacements that perfectly fit 2 inch net pots. Exclusively available from Cz Garden Supply. US Trademark, USPTO, and Amazon Brand Registry Protected. Get the original! * MAKES PROFESSIONAL CLONING EASY whether using a commercial cloning machine or DIY Cloner. Clone up to 8 TIMES the number of cuttings in the same space! Enjoy far more production with less work. * NEW IMPROVED SPOKE DESIGN gives you 8 slits and 1 hole to cushion tender cuttings. Take your growing operation to the next level for healthier plants and far greater production! You'll notice the difference immediately. * NON-TOXIC STERILE Closed Cell Foam. This holds NO water. Helps prevent damaging stem rot. Our foam is far superior to neoprene you see elsewhere. Try our new approach for improved hydroponics. * This will quickly become your favorite no-risk purchase. Many people are stocking up with several packages so they have plenty of the highest quality professional Cloning Insert Collars. HURRY AND BUY NOW. They make a great birthday present, holiday gift, or anniversary gift for your favorite hydroponics fan. Also wonderful for friends, family, and co-workers - anyone who wants an easier and more successful growing experience.