WG63
round bending:
φ19,φ22,φ25,φ32,φ38,φ51,φ63
square bending:
φ20, φ25, φ30, φ40, φ50, φ60
WG76
round bending:
φ19,φ22,φ25,φ32,φ38,φ51,φ63,φ76
square bending
φ20, φ25, φ30, φ40, φ50, φ60