Feature: 1. The product adopts injection molding technology, with smooth surface, durable and long service life 2. The engineering plastic handle is smooth, beautiful and practical, easy to save effort 3. The arc design at the bottom of the handle will not hurt your hands easily during operation. 4. With cleat thread brass nut inner core, deep tooth pitch and good fastening effect 5. The outer diameter is 25mm which is convenient to install and remove, good replacement for the old one