The Bosch PRO X-Lock Hard Backing Pad in 125mm is the most popular size in the range, making it a versatile choice for a wide variety of coarse-grit grinding applications. The larger 125mm diameter provides a greater surface area for efficient material removal across broader workpieces. Manufactured from heat-resistant plastic reinforced with fibreglass, this pad delivers the rigid, durable structure needed for heavy-duty grinding with coarse fibre discs. The ribbed, angled surface design ensures consistent pressure and reliable contact with the workpiece, session after session. Designed for fibre discs of P50 grit or below, it connects instantly to your angle grinder via the X-Lock system — no spanner, no fuss. Features and Benefits: • Long life grinding performance for extended use • Strong, rigid construction from heat-resistant fibreglass-reinforced plastic • Ribbed, angled design ensures effective coarse-grit grinding • Suitable for use with fibre discs P50 grit or below • X-Lock system for quick, secure, tool-free attachment