High quality carbon steel, strong zinc alloy jaw, guaranteed good quality and long service life Special jaws align anvil for precise use every time, compound action and strength Convenient operation and less hand strain, ergonomically designed for human hand, greatly save your working time Comes with 100 pieces easy to use hollow eyelets for your different needs Ideal for pressing eyelets in a variety of materials such as fabric, leather, plastic, acrylic, canvas, suede and more. Features: Material: Zinc alloy, carbon steel Pliers size: 16.5 * 15.5cm / 6.45 * 6.1 Eyelet Diameter: 4.5mm / 0.17 Eyelet Quantity: 100pcs Weight: 315 g (approximately) Package: 1 x Eyelet Adjustment Pliers 100 X Eyelets