Fits Oster Models using new-style round jar: 0041, 4090, 4094, 4096, 4122, 4123, 4125, 4126, 4127, 4128, 4134, 4242, 4648, 6010, 6208, 6627, 6638, 6640, 6641, 6642, 6643, 6644, 6645, 6646, 6648, 6650, 6651, 6653, 6656, 6657, 6658, 6662, 6663, 6664, 6665, 6667, 6668, 6675, 6676, 6677, 6679, 6684, 6690, 6801, 6805, 6808, 6848, 6849, 6851, 6853, 6881, 4119-22 * Inside of Lid Measures 5 inches in diameter