Boat Marine Canvas Fabric Snap Cover Button + Socket Kit Tent Fastener Toolfeature:Material: Made of iron, plating protective layer, no rust, no deformation and durable.Multi-usage: Used in tent, sofa, helmet, wall nail, home improvement, baby carriage, safety seat.Application: Fit for marine boat covers, awnings, outdoor furniture & more.Package included: 63Pcs Set(20*buttons+20*sockets+20*screw ..