Black Rivet Washer Kit 450 Pcs 5 Sizes 3/32"-1/4"

YAAYII 304 stainless rivet washer kit includes 450 pcs in 5 common sizes from 3/32" to 1/4". This assortment is designed for pop rivet and blind rivet backing, especially when fastening thin sheet metal, plastic panels, fiberglass, trailer panels, HVAC panels, and general repair materials. The washers add a wider backing area behind riveted joints to help distribute load and reduce pull-through. Each size is sorted in a clear storage box with a size guide card for easier organization and faster selection during repair or installation work.

• 450 Pcs, 5 Sizes Included – Includes 3/32" x 50 pcs, 1/8" x 150 pcs, 5/32" x 100 pcs, 3/16" x 100 pcs, and 1/4" x 50 pcs. Washers only; rivets are not included.
• For Pop & Blind Rivet Backing – These rivet washers are used behind riveted joints to add a wider backing surface for thin sheet metal, plastic panels, fiberglass, and repair materials.
• 304 Stainless Steel – Made from 304 stainless steel for corrosion resistance and long-lasting use in general repair, trailer, HVAC, sheet metal, panel, and DIY hardware projects.
• Helps Reduce Pull-Through – The wider washer surface helps distribute load behind the rivet and reduce pull-through when fastening thin or softer materials.
• Sorted Storage Box – Packed in a divided clear storage box with a size guide card, making small rivet washers easier to identify, store, and carry.