The Bosch PRO X-Lock Medium Backing Pad in 125mm is the most popular size for everyday angle grinder use, making it a versatile choice for a wide range of medium-grit fibre disc grinding applications. The 125mm diameter offers an excellent balance of coverage and control across general-purpose grinding tasks. Constructed from strong, heat-resistant plastic and reinforced with internal ribs, this backing pad delivers the rigidity required for consistent medium-grit grinding while standing up to the heat generated during prolonged use. High-quality materials ensure durability and a long working life. The X-Lock system means fitting the pad to your grinder takes just seconds — click it on securely with no tools needed, so you can spend more time working and less time changing accessories. Features and Benefits: • Designed for long-life grinding performance • Strong, heat-resistant plastic for effective and durable grinding • Ribbed design provides the rigidity needed for medium-grit applications • X-Lock fitting for quick, tool-free attachment