AR-S 4.15″ Worm Mold (10-Cavity)- The 4.15″ AR-S Worm Mold is another great design to add to your tackle box from the AR-S series. With a length of 4.15″ in the mold and a width of .3″ in the body and .21″ at the head it can be fished using multiple techniques. A 10-cavity AR-S Tail Mold is also available and may be used in all AR-S Mold Series designs, the AR-S Toad, Craw, and Worm making the tail mold an incredible value.