Features 1、RUBBER MATERIAL: Made of durable rubber material, this hat is flexible, not easy to tear, strong for long term use. 2、LEAKAGE PREVENTION: Provide close coordination to prevent vacuum leakage. Help you make accurate and stable work, improve work efficiency. 3、80PCS: 80 heat resistant rubber vacuum covers in 6 different specifications, use for different scenes. 4、HIGH TEMPERATURE RESISTANT: Tolerate high temperatures between 352 and 410 degrees ℉, strong and stable for long term use. 5、EASY CARRYING: With a storage box and being lightweight as well, this set of vacuum hat is easy to carry for convenient use. Specification Item Type: Vacuum Hat Plug Assortment Kit Material: Rubber Color: Black Package List 5 x Vacuum Hat 3/8in 20 x Vacuum Hat 3/16in 20 x Vacuum Hat 5/32in 20 x Vacuum Hat 7/32in 10 x Vacuum Hat 1/4in 5 x Vacuum Hat 5/16in 1 x Plastic Box