Thank you for viewing! This is a wooden handle, favored by craftsmen. If you're someone who replaces hammer handles, you might understand the size based on the 21mm standard. However, I'll specify the approximate dimensions, so please consider them carefully. 【Dimensions】 Total length 332mm x Insertion part (22.5 x 8.8)mm x End diameter (22 x 17.5)mm x Weight 83g ※ Measured by hand. Measurements are taken from a selection of stock items, so please allow for some error. ※ This is an unused item, but it has been stored for a long time. Due to the nature of industrial products, there may be some dirt, scratches, or scuffs from manufacturing, transportation, and storage. Especially since it is not packaged, we would appreciate your understanding before purchasing. Delivery and pricing are via postal mail. ※ We cannot issue receipts, so please understand. We also handle various #Dogyu products_ #Wrenches_ #Hammers & Bars_! If you'd like to see a list → #ToolsMasumi Tools Craftsman Carpenter Woodworking Construction Hardware Civil Engineering Construction Sheet Metal Renovation Remodeling Fittings DIY Craft Bit Wood Pattern Temporary Frame Wooden Frame Foundation Flooring Professional Bolt Nut Pillar Beam Assembly Woodworking Bridge Steel Frame Steel Tower Car Motorcycle Bicycle Maintenance Piping Socket Spanner Wrench Electrician Electrical Ratchet Hammer Safety Belt Safety Belt Demolition Hammer Hammer Impact Electric Drill Dogyu HK11