The bike crankset and bottom bracket removal tool is used to remove the crank arms off for repairing and maintenance. It is very easy to operate and for any bike crank repairs. Made of hard and premium steel materials, durable and accurate thread design, will not damage the thread of cranks. Features - - Material: Steel. - Spanner size: 15.5X4.5X1.15cm/6.1X1.7X0.45in. - Allen wrench size: 15.5X3X0.7cm/6.1X1.2X0.3in. - Crank puller size: 8.8X2.2X2cm/3.5X0.87X0.78in. - Bottom bracket remover size: 5X2.9X2.9cm/1.9X1.1X1.1in. - Repair tool: professional bike crankset removal tool for maintenance to broken bike, convenient to use. - Portable to carry: all the tools can be stored in your tool box (not included) for daily maintenance. - : manufactured with steel material and professional technology, high hardness, durable, rust proof. - Universal design: our tool kit is suitable for road bikes, mountain bikes, multi- , etc. - Perfect fit: the professional workmanship ensures accurate thread to fit the thread of bike parts precisely for easy detaching. Package list: 1 x Spanner Wrench 1 x Crank Puller 1 x Bottom Bracket Remover 1 x Allen Wrench