017, MS170, MS170 C, MS171, MS171 C, 018, MS180, MS180 C, MS181, MS181 C, 019 T, MS190 T, MS191 T, MS192, MS192 C, MS192 TC, MS193, MS193 T, HT 70, HT 73, HT 75, HT 100, HT 101, HT 130, HT 131, HT 250, HT-KM, HT Gearbox(only 3/8 P) 009, 009L, 010, 011, 012, 015, 017, 018, 018C, 019, 019T, 020, 020 Super, 020T, 023, 023C, 023L, E 10, E 14, E 140, E 180, E 180C, MS170, MS171, MS180 C, MS180 C-B, MS180 C-BE, MS181, MS181C, MS181C-BE, MS190T, MS191 T, MS192C, MS192C-E, MS192 T, MS192TC, MS192 T C-E, MS193, MS193 T, MS200, MS200 T, MS201C, MS201 C-E, MS201 C-EM, MS201T, MS201 TC-M, MS210, MS210 C, MS210 C-BE, MS211, MS211C, MS211 C-BE, MS220, MS220 Q, MSE 140, MSE 140 C, MSE 140 C-BQ, MSE 170 C-BQ, MSE 180, MSE 180 C, MSE 180 C-BQ, MSE 200, MSE 210 C-BQ, Pole Pruner Models: HT 70, HT 73, HT 75, HT 100, HT 101, HT 130, HT 131, HT 250, HT-KM; Some pole pruners may take 1/4" pitch chain.