The SHIND Flexible Shaft is the perfect accessory for any rotary tool enthusiast. It is compatible with most rotary tools and features a pen grip that is ideal for intricate work. It also accepts up to 3.1mm and has a maximum no load speed of 30000 rpm. Whether you're a DIY enthusiast or a professional, this flexible shaft will help you achieve precision and accuracy in your work. Invest in the SHIND Flexible Shaft today and take your rotary tool game to the next level.