ITEM NAME:180mm Car Puncture Patch Tyre 37mm Diameter Roller Bearing Repair Tool 20mm Description: - This roller can be used to remove air from underneath tire patch repairs and to ensure proper adhesion - Tire Patch Stitcher With Wooden Handle. - Wood handle for light and portable. - Bearing inside for using easier. - This stitcher has a 20mm ball bearing roller which has a 37mm diameter. Specification: - Material: Wooden and Metal - Handle Size: Approx 180mm - Thickness: Approx 20mm Package Included: 1 Piece Puncture Patch Tyre Roller Bearing Tool Note: Please allow 0.5-1 inch difference due to manual measurement.(1 inch=2.54cm) Please check the size measurement and the picture carefully before making.1 Piece Puncture Patch Tyre Roller Bearing Tool. - Handle Size: Approx 180mm. - This roller can be used to remove air from underneath tire patch repairs and to ensure proper adhesion. - Thickness: Approx 20mm.