Features:
A necessary tool for outdoor biking.
Helps you get out of troubles FAST.
Suitable for square tapered cranksets.
Handy, convenient, easy to install and use.
Extended ejector, can be removed and the spline teeth mouth side plate and crank.
Universal bike crank puller. This tool is easy to use and is ideal for any home bike mechanic.
You just need an adjustable spanner or a 5/8 or 16mm spanner, then:

Practical and easy to use:
1. Remove the bolt in the crank arm
2. Screw the lower black part of the tool into the crank until tight
3. Screw in and continue to tighten the silver piece of the tool until the crank starts to move

Specifications:
Material: Carbon steel
Size: About 79*21mm
Net weight: About 123g
Color: Black&silvery

Package Contents:
1 x Crank Puller Tool (Crank Puller ONLY, Wrench Handle NOT Included)