Protective plastic safety covers prevent your sticky treble hooks from getting snagged in everything during transport and also prevent carpet snags in your boat.They have a patented "easy grip" feature for quick on and off, and a hollow design that allows hook points to dry out thus discouraging corrosion and also protecting your points to keep your sharp points sharp. Small - 13 Per PackMedium - 12 Per PackLarge - 11 Per PackX-Large - 16 Per Pack Attention: In order to save on shipping when making multiple purchases, you must add your items to the cart in order for shipping discounts to apply. Click on the "Add to cart" tab, then simply close out of the window to continue your shopping.