This is P-C no. 876345.  This is a brush set for the following P-C tools: 332, 333, 333vs, 334, 335, 340, 341, 555, 556, 7499.   OEM part will fit perfectly in your tool.  This is one pair of brushes.     Shipping on this item is free via USPS or UPS. I do combine shipping wherever possible. I do ship internationally. Just email me and I will quote shipping to your country.