Low Insertion Force - The shape and size of the tip allows for easy penetration of most punctures. Where more than one plug is used, the additional plugs are even easier to insert because the first plug lubricates the hole No Reaming of the Puncture Hole - Because of the low insertion force, it is not necessary to enlarge a puncture hole by reaming. This eliminates the need for a second tool and prevents further damage to the tyre No Glue Required - After use, tubes of glue dry out in a short time and when you need it again it's not there. Because Dynaplug retains its sealing ability indefinitely both during storage and in the tyre, no glue is required Long Lasting Puncture Repair - Viscous rubber of the plug will flow slightly after the plug is in place. This fills small fissures or voids that radiate from the puncture hole into the casing and ensures a long lasting repair, Weight: 0.2866009406 Pounds, Manufacturer: DYNAPLUG®