[WHAT YOU GET] 150pcs rivet nuts with various sizes in a durable transparent box, it contains 5 sizes selected for you, includes: #8-32UNC x 45pcs, #10-24UNC x 45pcs, 1/4''-20UNC x 42pcs, 3/8''-16UNC x 8pcs, 5/16''-18UNC x 10pcs. | [PORTABLE KIT] These rivnuts kit is lightweight, very convenient to carry; Meanwhile, the transparent storage box is durable enough to accommodate all items safely. | [MULTIPURPOSE]: the assorted nutserts are widely used in automotive, furniture, decoration and other electrical and industrial products, suitable for a variety of occasions such as in air conditioning, fire fighting, gas or in medicine beverage food chemical industry and metal sheets factory. | [FRIENDLY MATERIAL]: Rivet nuts are made of carbon steel, strong rust and corrosion resistant for a long time use; Zinc plated surface help prevent surface damage and fade, anti-oxidation, healthy and lead-free, high strength, non-deforming, load-bearing threads | [WORRY-FREE]: VIGRUE provide lifetime service for our product quality problem, if you're unhappy with our product for any reason, please feel free to contact us, we will solve the problem. If you need a single size or different quantity, welcome to contact.