Includes (1) OSL134C Oscillating Blade. New, Bulk Packed. Genuine OEM Bosch Replacement Part . 1-3/4in Starlock Carbide Plunge Cut Blade. Please refer to list for compatibility. Compatible with the Following: Bosch: GOP18V-28N, GOP40-30C-RT, GOP12V-28N,GOP55-36C1,GOP55-36B