100pcs 15mm Stainless Steel Fastener Snap Press Stud Cap Button Marine Boat Canvas Line 24(4 Components, 5pcs for Each) : Amazon.co.uk: Sports & Outdoors
Gunmetal, 17mm Copper Dome top snap Fastener Snap Buttons Poppers Press Stud Button Snap Pliers for Sewing Leather Craft Clothing. 14 Pieces per lot i63 : Amazon.co.uk: Home & Kitchen
Z Head Style Push Button Ejecting Fasteners - Raceparts