●Application This set of rotary knob locking base sleeves is suitable for tent loop luggage, handbags, etc. ●Size: Washer 32mm x 26mm, Eyelet: 37mm x 22mm ●Material: made of metal, sturdy and durable, able to provide long-term stable performance. ●Easy to Install The grommets are self tapping and do not need to be drilled. Simply use pliers to close the pins after passing through the seal. ●Package Includes 20 x grommets, 20 x washers, a sufficient quantity to be replaced if needed for upgrades or replacement parts.