The Topeak Mini PT30 Multi Tool features a removable chain tool with built-in master link tool for removing and reinstalling master link type chains, this stores securely within the Mini PT30's forged alloy body. Perfect for any road or trailside repair. The chain tool is compatible with single and multi-speed chains up to 12 speed, NOT including Campagnolo® hollow pin chains.Topeak Mini PT30 Multi Tool Attachments2L / 2.5 / 3 / 4 / 5 / 6 / 8 mm Allen wrenches10 mm hex socketT10 / T15 / T25 Torx® wrenches14G / 15G / Mavic M7 / Shimano® 4.5mm spoke wrenchesCrMo steel chain tool, chain hook, CrMo master link tool#2 Phillips / flat head screw driversTyre reamer, plug insertion toolSerrated knife / saw, disc spacerTopeak Mini PT30 Multi Tool FeaturesFunctions: 30Tool Material: Chrome vanadium steelWeight: 169 g / 5.96 ozSize: 7.4 x 4 x 1.9 cm / 2.9” x 1.6” x 0.7”Bag: Neoprene (TRK-T031)Body Material: Forged aluminumAdded Features: Knife blade & plug insertion tool lock, extendable for leverage, secondary chain link fence, chain pin breaker and master link storage compartment