For Ravaglioli (RAV) models For the following lifting platform with right-hand thread：. Type: Carrying Nut and Safety Nut Set. 1 × Carrying Nut. 1 × Safety Nut. For KPX 312-315WK, KPX 336-337W/WK. For KPN 121, 123, 124, 126, KPN 312/315WK, KPN 324/326/327C, KPN 326/327H, KPN 336/337W, KPN 336/337i.
