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Snap caps. 25 or 100 packages. Marine quality.
DOT® Durable™ Snap Fastener Set - Cloth-to-Surface (Nickel Plated/Stainless Steel)
A Durable Snap fastener kit brass nickel plated canvas to deck long stud
Biaungdo 200 Pieces 15mm Snap Fasteners Kit, Heavy Duty Snap Fastener Metal Leather Snap Button Press Stud Cap for Leather Marine Boat Canvas Leather Rivet, Bronzer(4 Components, 50 Pieces for Each)
Magnetic Snap Fasteners, Magnetic Snap Buttons 14x4mm Easy to Use High Hardness Thick Durable Alloy for DIY Sewing (Gun Silver)
DOT Durable and Mariner Plastic Snap Fasteners
DOT® Snap Fastener Standard Cloth-to-Cloth Stud (Nickel-Plated Brass)
DOT® Snap Fastener Cloth‑to‑Surface Set 3/8 Screw Stud (Stainless Steel) - Item #444002
41-17-C Vicar Products
DOT® Durable™ Snap Fastener Set - Cloth-to-Surface (Nickel Plated/Stainless Steel)