Both handle sizes are included in this 2-pack to fix your Bike. Repair your seat slider handle and/or your handlebar handle. VERSATILE COMPATIBILITY - Comes with a 8mm by 35mm handle for the seat slider for the Bike and a 10mm by 30mm handle for the seat post or handlebar rise of either the OG Bike or Bike+. EASY INSTALLATION - Simple to install, simply remove your broken handle and screw our replacements in. Colour:Black Material:Metal Package Contents: 2x L Handle screw for Bike((1x8x35mm+1x10x30mm) Only the above package content, other products are not included. Note: Light reflection 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. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.