Thank you for viewing! This is a wooden handle, favored by craftsmen. If you're someone who replaces hammer handles, you'll likely understand the size based on the 21mm standard. However, I'll provide the approximate dimensions, so please consider them carefully. 【Dimensions】 Total length 330mm x Insertion part (21.2 x 9.1)mm x Weight 75g ※ Measured by hand. Measurements are taken from a selection of in-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 set for postal mail. ※ We cannot issue receipts, so please be aware of this. We also handle various #Dogyu products_ #Wrenches_ #Hammers & Pry 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 Wood Frame Formwork Foundation Floor Flooring Professional Bolt Nut Pillar Beam Assembly Woodworking Bridge Steel Frame Steel Tower Car Motorcycle Bicycle Maintenance Piping Socket Spanner Wrench Electrician Electrical Work Ratchet Hammer Safety Belt Safety Belt Demolition Kobachi Kanazuchi Hammer Hammer Impact Electric Drill Dogyu HK11