PRO X Punchin/Flippinhook is designed to securely hold plastics in place. The dual shank barb keeps plastics in place even when punching the toughest matts. The grooved points reduce friction for a faster and smoother hook set. The nanofinish make hooks sets even faster. Features. Pro X Punching Flipping Hook, Size 50. Made with Highquality materialSpecifications. Size 5/0