16 in 1 Repair Tool Kit:
.Allen Wrench:2/2.5/3/4/5/6 mm
.Socket Wrench:8/9/10 mm
.Slot type screwdriver
.Phillips screwdriver
.Socket extension rod
.Flat wrench 8/10/15 mm
.Inner hexagon spanner 3/4/5/2/2.5/6 mm
.Spoke wrench

Chain Wear Indicator:
A worn chain shifts poorly and wears sprockets at an accelerated rate. 0.75%and 1%, the points at which chain experts suggest replacement.
A must for checking your children’s bike.
And a best tool for a bike shop.

Chain Splitter:
Designed to quickly and accurately remove and install chain pins.
Along with superior strength and durability, it features a handy"loosening shelf"to remedy stiff links after reassembly.
The fine thread and comfortable size enable easy removal of even the toughest chain pins.
Fits the following:Common bicycle chains of 7/8/9/10 speed, Works for all common bicycle chains.