50 COUNT - BLACK Cloning Inserts - DIY Cloner Collars & Clone Machines 50 BLACK Insert Collars - DISCREETLY SHIPPED 48mm x 19mm (1.89" x 3/4"). Perfectly fits 2" net pots, DIY Cloners & Clone Machines Holds no water to help prevent stem rot NON-TOXIC, Sterile, Soft material with 5 slits & 1 hole to cushion tender cuttings Write Details on them and quadruple or quintuple the number of cuttings in the same space!