8Sinn Rod Cap V2 Key Features – Decorative cutouts – Material: stainless steel – Male thread – 15mm rod compatible   The cap serves to close the rod opening. Prevents from any unwanted contents inside the rods. Having this Cap makes inserting the rod into the rod slot much easier. 6 holes for better grip (put the hex key through one of the holes to unscrew the cap easier)   Dimensions Length: 21mm Height: 15mm Weight: 10g   Set includes: 8Sinn Rod Cap V2