The specifications are suitable for small area use with extended shafts, providing additional clearance to safely polish these areas without the risk of collision/damage. Details such as lights, door handles, logos, internal panels, etc. The seamless base is precisely threaded for stable installation. Smooth grinding without loosening. Easy to install with grooves, easy to disassemble with a wrench, suitable for 100 angle grinders/polishing machines. The design details and durable quality of the super expansion rotag expansion shaft. Widely used, the rotag expansion shaft can be used for grinding and polishing deep stones such as inner corners and special shapes. It needs to be combined with various grinding heads, grinding stones, grinding discs, grinding discs, mold tools, etc. There are problems with awkward areas such as n and obstacles. Material: High quality 45 # steel, silver color, length x 80mm. Specific dimensions: as shown in the picture. Packaging includes: 1 * angle grinder extension connecting rod. Attention: Please allow minor errors caused by manual measurement. The colors of different monitors may vary slightly.