ITEM NAME:Wooden Handle Car 37mm Bearing Tire Patch Roller Puncture 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 Includes: 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. This roller can be used to remove air from underneath tire patch repairs and to ensure proper adhesion. Tire Patch Stitcher With Wooden Handle. Thickness: Approx 20mm.