Diameter: about 8mm(0.31")/9mm(0.35")/10mm(0.39")/11mm(0.43")/12mm(0.47")/13mm(0.51")
Length: about  21mm(0.82")/24mm(0.94")/27mm(1.06")/30mm(1.18")/32mm(1.25")/33mm(1.29")
Inner Diameter: about  3mm (0.11")
Small urethral plug
Stainless steel hollow urethral dilator catheters, Integral through hole design
Waterproof, can be washed directly

Material: Stainless Steel
Color: Silver
Package: 1 x Urethral Plug

The product size may have a little error due to different measurement methods,measuring instruments, and factory production batches.It is not a quality problem or the size description does not match. Thank you.