Multitool With 17 Functions. Eight Accessories Fit Inside The Handles Of The Master Link Pliers Using Magnets And A Clever Storage System. These Accessories Then Fit Into An 8mm Ball Detent Swivel Head That Has A 4mm Opening For Hex Bits, Adding Functionality To The Already Versatile Master Link Pliers. 17 Functions: Spoke Wrench, Valve Core Wrench, #3.5 Flat Head And #2 Phillips Screwdriver Bits, 2, 2.5, 3, 4, 5, 6, And 8mm Hex, And T10, T25 Bits Compatible With Torx, Install And Remove Master Links, Clean Tire Sealant Clogs From Valve Stem, Tighten The Valve Stem Locknut Compatibility: Pliers Work With 9, 10, 11 And 12 Speed Chains And Master Links (Not Compatible With Campagnolo 12 Speed Chains) Storage Is Compatible With Sram Powerlock Link, Shimano Quick-Link, Kmc Missing Link And Other Master Links Similar (Not Compatible With Wipperman Connex Links).Specifications:- Weight: 70g- Dimensions: 146mm X 20mm X 9mm- Material: 7075-T6 Aluminum Handles, Crv Tool Steel Swivel Head, S2 Tool Steel Bits