Product Features: Extendable ratchet 460mm - 601mm. Spring loaded. 72 teeth mechanism with quick release action Soft grip handle, quick release mechanism Manufactured from Chrome Vanadium. When you need extra leverage or extended access the new Laser 1/2\"D Extending Ratchet is the answer. This high quality 1/2\"D ratchet has an extending function; simply release the spring loaded mechanism on the handle and the ratchet grows from 460mm (18\") to 601mm (24\"). Manufactured from polished Chrome Vanadium and with 72 teeth gearing for a smoother operation.