Cheap And Discounts 10PCS Carbon Brush Replace for BOSCH 11240 11247 11388 11387 RH540M RH540S GBH538X 3611B69020 Rotary Hammer Wholesale. Buy Directly From Merchant RHH Store. Enjoy ✓Free Shipping Worldwide! ✓90 Days Buyer Protection. ✓Easy Return. ✓Money Back Guarantee.