Item Type: Grommet Tool Kit Specifications:1 x Hole Cutter; 1 x Mandrel; 1 x Bottom Block; 100 Set Eye Button(100 x Eyelet; 100 x Washer); 1 x Storage Box Material: Brass Uses: Clothing Accessories Size: Approx. 2 x 2cm / 0.8 x 0.8in (measured by hand, with slight errors) 1The grommet kit includes a hole cutter, a matching mandrel, 100 sets of grommet eyelets (each set includes 1 eyelet and 1 washer) and a storage box. 2This grommet kit provides an economical solution for tarps, tents and pool covers. 3This grommet eyelets hollow kit is easy to install, easy to use and carry. 4Easily fix the metal buttonhole in place with a hole cutter and matching mandrel. 5The exterior of the mandrel has a unique pattern, and non?slip provides a safer grip. 1 xHole Cutter 1 xMandrel 1 xBottom Block 100 SetEye Button 1 x Storage Box