Model Stroke A B C ØD E F ØG H I J M/K SCA2030B 30 149 104 30 6 13 6 18 6 24 27.7 M20×P1.5 　 Model SCA2030B-1 SCA2030B-2 SCA2030B-3 30 45 37,000 Less 10 Less 16 Less 32 1,900 10~30 230