Usage Tips:125 mm hook-and-loop sanding pad compatible with Bosch PEX 300 AE 400 AE 4000 AE 125 mm, Eccentric Sander by Poweka 125mm Sanding Pad: The sanding pad is made of materials and has been carefully designed to ensure long life and reliable performance.The sanding pad is robust and resistant to wear and stress. 【Efficient Dust Collection Sanding Disc】: The efficient 8-hole pad works with sanders that have a dust collection system.This allows for precise sanding work and prevents the abrasive material from slipping or falling during use. 【Precise Sanding Pad】: The sanding pad is self-adhesive and provides a precise and firm fit on the sander.This allows for stable, vibration-free operation, resulting in precise sanding results. Versatile Compatibility: The sanding pad is specifically designed for use with Bosch PEX 300 AE, 400 AE and 4000 AE models.The sanding pad can be used with different abrasive materials and grits to handle a variety of sanding tasks. 【Easy Replacement Sanding Pad】: The sanding pad is easy to replace, allowing you to quickly switch between different sanding discs.This helps you save time and improve your work efficiency.