Hemline - Plastic Snap Kam Snap Pliers - Size 20 12.4mm Snaps Hemline pliers for plastic snaps £17.00 inc. VAT Quantity: at £17.00 each Add To Basket 2 in stock. For use with Hemline KAM Plastic Snaps. Pre-installed with plastic die and metal shank perfect for size 20 (T5) plastic snaps. For plastic snaps only, not metal. Test first on scrap of fabric to ensure snap size suits fabric weight.