EYELETS GROMMETS: These eyelets/grommets have inner hole of 4mm, total width of 8mm and height of 4.3mm. These Eyelet grommets are used for fastening garment and leather material. It will give you a nice finished look on both sides of your leather piece MATERIAL: Made from durable quality of brass material which makes it rust and corrosion free HANDY AND EASY TO USE: You just have to cut a hole in the fabric, leather straps, clothing or leather crafts then insert eyelets by pushing through, and finally secure in place with a squeeze of the punch DIY ACTIVITIES: These versatile eyelets are perfect for DIY activities like clothing repair, shower curtain, tarpaulin, vinyl banners, pool covers etc. PLEASE NOTE: These eyelets come in 2 parts the trumpet portion and the washer portion and eyelets fixing hand tool or plier not included in pack