Detailed description: 100 Sets Grommet Tool Kit Material: Steel Color: silver Size: Grommet: 0.5 inch Tool: 3.3 inch Scope of application: jeans, shoes, cotton clothes, shirts, windbreakers, belts, backpacks, down jackets, cheongsams, jackets, trousers, overalls, etc. Parts List: 100 Sets of grommets (1 x hole + 1 x washer is 1 set) 1 x Tool 1 x Box Notes: 1.Due to the difference between different monitors, the picture may not reflect the actual color of the item. 2.Please allow slight dimension difference due to different manual measurement. Thank you for your understanding. 【Multiple Combinations】The grommet kit includes 1 tool and 100 sets of grommet eyelets (each set includes 1 eyelet and 1 washer) and a storage box. 【Grommet Tool Kit】Provide economical solutions for canvas, tarps, tents and swimming pool covers, suitable for shoes/shoelaces, clothing, handicrafts, etc. 【Easy to Use】Use a hole cutter and a matching mandrel to easily fix the metal buttonhole in place; the surface of the mandrel has a unique pattern, which is non-slip and provides a safer grip. 【Multiple Combinations】The grommet kit includes 1 tool and 100 sets of grommet eyelets (each set includes 1 eyelet and 1 washer) and a storage box. 【Grommet Tool Kit】Provide economical solutions for canvas, tarps, tents and swimming pool covers, suitable for shoes/shoelaces, clothing, handicrafts, etc. 【Easy to Use】Use a hole cutter and a matching mandrel to easily fix the metal buttonhole in place; the surface of the mandrel has a unique pattern, which is non-slip and provides a safer grip.