Glarks high quality marine grade canvas and upholstery boat cover snap button fastener kit Specification: ✓ Color: Black ✓ Snaps Meterial: Brass and nickel-plated steel ✓ Screw Meterial: 304 stainless steel ✓ Setting Tool Meterial: 201 stainless steel ✓ Screw Size: 15x10mm(0.59''x0.39''), 15x15mm(0.59''x0.59'') ✓ Button cap dia: 15mm/0.59'' Package Detail: 40pcs x Socket 40pcs x Cap 20pcs x Screw(10mm) 20pcs x Screw(15mm) 1 x Anvil 1 x Flaring tool 1 x Storage box Feature: ? Snaps are made of brass and nickel-plated for added durability ? 304 stainless steel screws with superior rust resistance and the excellent of oxidation resistance ? Studs are available for clamping onto screw or canvas studs for mounting on hard surfaces ? Snaps with heavy-duty construction assures a firm grip that will remain secure through years of use all stainless parts ? Along with these 2pcs setting tool, you'll be able to build you'll be able to build, repair, and construct your own items at any time Application: ✓ These button snap studs can be attached to wood, plastics and fiberglass, they are strong and great for both indoor and outdoor use, with excellent rust resistance in salt water applications[5] Application: These button snap studs can be attached to wood, plastics and fiberglass, they are strong and great for both indoor and outdoor use, with excellent rust resistance in salt water applications. [4] Feature: Studs are available for clamping onto screw or canvas studs for mounting on hard surfaces. The snaps with heavy-duty construction assures a firm grip that will remain secure through years of use all stainless parts, superior snap action and holding strength. [3] Package: In this kit, we offer socket and cap each 40pcs, 15x10mm(0.59''x0.39'') and 15x15mm(0.59''x0.59'') screws each 20pcs, along with 2pcs setting tool stored in a transparent plastic box, convenient for your storage and use. [2] Material: Snaps are made of brass and nickel-plated for added durability. The screws and setting tool are made of 304 stainless steel, which offers good corrosion resistance in bad environment like high temperature, cold weather, and high humidity areas. They have superior rust resistance and the excellent of oxidation resistance, which can ensure long time using and prolong screws lifespan. [1] Product type: High quality marine grade canvas and upholstery boat cover snap button fastener kit.Head Style: Socket, Button. Brand: Glarks. Material: Stainless Steel. Color: Black. Date First Available: June 4, 2018. Manufacturer: Glarks. Item Weight: 1.25 pounds. Is Discontinued By Manufacturer: No. Best Sellers Rank: #26,435 in Arts, Crafts & Sewing. Customer Reviews: 4.5 4.5 out of 5 stars 2,304 ratings 4.5 out of 5 stars. : B07DHK2RFT. Item model number: GLASNAP-B120. Package Dimensions: 6.1 x 4 x 1.3 inches.