Ordering Description Product number Description: TIP SIZE 1 (MODEL "O") Product number: 4351130380 Description: TIP SIZE 2 (MODEL "O") Product number: 4351130381 Description: TIP SIZE 3 (MODEL "O") Product number: 4351130382 Description: TIP SIZE 4 (MODEL "O") Product number: 4351130383 Description: TIP SIZE 5 (MODEL "O") Product number: 4351130384