Specifications:
1) Model: TTD121F
a) Cross section mail: 16~35/25~95mm?
b) Cross section tap: 10~25/6~35mm?
2) Model: TTD201F
a) Cross section mail: 70~90mm?
b) Cross section tap: 70~90mm?
3) Model: TTD281
a) Cross section mail: 120~185mm?
b) Cross section tap: 10~25mm?
4) Model: TTD451
a) Cross section mail: 120~185mm?
b) Cross section tap: 70~185mm