A shorter version of urethral catheter Long John: Little John is much shorter and thus the perfect urethral catheter for sounding beginners. It's 85 mm long and can be inserted up to 60 mm. The metal glans ring prevents it from getting lost inside your body and the holes in the catheter allow you to pee while it sticks up your dick! The diameter ranges from 5,5-8,5 mm and it's feather-light with a weight of 20 g.Measurements: Total length 85 mm, insertable length 60 mm. First insertion part: Length 25 mm, Ø 5,5 - 8,5 mm. Second insertion part: Length 35 mm, Ø 5,7 mm. Length of the thinnest part to the curve 20 mm. Curved part Ø 3 mm. Glans ring: inside Ø 32 mm, outer-Ø 38 mm, material thickness 3 mm. Ø ball 10 mm. Weight 20 g.More InformationMore InformationWeight (gram)20 gLength85 mmInsertable Length60 mmDiameterØ 5-8 mmMaterialstainless steel