Two easily accessible hidden compact tool kits housed in your handlebar ends. The perfect tool companion for your mountain bike. The kits come with 3.5mm plug insertion tool for tubeless tire repair and a full set of 3 4 5 6 and 10mm Allen bits T25 Torx bits and #2 Phillips bit for bike maintenance.Tubeless tire repair kit:3.5mm plug insertion tool 3 pieces of 3.5mm x 50mm tire repair plugs Materials: Hardened steel and engineering grade polymerWeight: 77.5 g / 2.73 oz (tool kit) 24 g / 0.85 oz (repair kit)Limitations: handlebar ends with minimum 128mm straight sectionID range 18 - 21.2 mm