Mounts under Ninja water bottle cage with interchangeable Cage Mount or use alone with Frame Mount.  This weatherproof tool box contains an 16 function mini tool for basic repair and maintenance. The chain tool is compatible with single and multi-speed chains up to 12 speed NOT including Campagnolo® hollow pin chains. Cage Mount Replace Bottle Holder with Cage Mount to install accessories while securely holding your water bottle. Frame Mount Frame Mount provides mounting opportunities for Ninja Master+ Cage accessories. Included zip ties cable ties provide easy installation and flexible location mount options. Water bottle boss hole adds another mount option. Increasing Tool Leverage Leverage added on 4 / 6 mm Allen wrench for easier operation Chain tool Included L-type 4mm Allen wrench to use with chain tool TOOLS 2 / 2.5 / 3 / 4 L-type / 5 / 8 mm Allen wrenches 6 mm hex tool bit T10 / T15 / T25 Torx® wrenches #2 Phillips / flat head screw drivers 14G / 15G spoke wrenches CrMo steel chain tool* chain hook TOOL MATERIAL Chrome vanadium steel TOOL BODY MATERIAL Carbon fiber injection MOUNT Mount to Ninja Master+ series Cages with included Cage MountInstall on frame stem seatpost or water bottle boss with included Frame Mount and zip ties ADDED FEATURES Leverage added on 4 / 6 mm Allen wrenchL-type wrench WEIGHT 92 g / 3.24 oz Ninja T16+40 g / 1.41 oz ToolBox