Name: Portable Manual Grommet Machine Grommet: 3/8 inch/10mm (100pcs) Specifications: 1.Magnetic dies fix the and washers tightly in any usage scenarios; 2.Less Strength Required. Easy to punch through and install a perfectly even with a weak hand; 3.Anti- handle, easy to grasp with one hand; 4.With a spring inside, dies open and reset automaticaly; 5.Made of premium steel, never offset; 6.A handy and portable tool you must have one in your tool box. Tips: 1.Generally you can punch and install the grommets in for most common materials. But for some heavy materials, please pre-punch it with hammer and hole punch then install the grommets with this grommet tool; 2.Please practice before using this pliers. And keep the target materials to a appropriate thickness to the grommets have enough slack to fold over and seal well; 3. to Fabrics, Terry cloth, Towels or Other Super Soft Materials. Material:steel colour:Silver + Black Package Contents: 1 * Portable Manual Grommet Machine 100 * silver Grommets in 3/8 inch/10mm Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.