This is a great kit for all of those precision jobs with small, hard to reach holes, studs, pipes, fittings, etc. You will receive 350 high temp rated plugs and caps to fit every hole or stud up to 3/8" in diameter, as pictured. Benefits of our premium silicone products include: Heat proof up to 600°F Color will never fade or bleed Flexible, durable and reusable Will not crack, shrink, harden or break Excellent for powder coating, painting, anodizing, media blasting, etc. 100's of uses around the home, shop, classroom 100% satisfaction guaranteed or your money back Color may vary from photos.