Jonsered : 2065, 2071, 2077, 2083, 2094, 2095, 2165, 2171, 2186, 625, 630, 670, CS 2165, CS 2166, CS 2171, CS 2172, CS 2186, CS 2188, Ripping Mill. Note: This guide bar will not fit the old Jonsered models like the 621, 70E, 820, 920 with 10mm bars studs.