Triangular tube Yokes for PTO SHAT. Our factory is specialized in producing PTO SHAFT for farm machines. We supplied spare parts to Euro Cardan ... the world.Agricultural PTO shaft Features:1. We provide pto shaft series B1, B2, B3, B4, B5, B6, B7, B8 (Triangular tube) . L1,L2,L3 ... ,L4,L5,L6,L7,L8 (Lemon tube ...