These lovely snaps are for use with the kam snap pliers and make a great finish to your project. Available in multiple colours and in packs of 20. Size 20 (T5) KAM snaps have a 12.4mm cap diameter. This size will easily fasten multiple layers of fabric. These quality snaps are made from polyacetal resin plastic which is extremely strong and durable for garment making and are Oekotex Certified. You will need either a set of KAM pliers or a press with a size 20 die head to apply these snaps.