Bike Chain Splitter Tool - Heavy Duty Bicycle Chain Cutter & Breaker for Repair & Maintenance - Perfect for Road Bikes, Mountain Bikes & BMX

This chain breaker works just like it is supposed to. The handle is comfortable in your palm and allows you to keep the tool firmly gripped when you get to the torque portion pressing the chain pins in or out. It is black painted steel, so I'm going to guess it is not made out of chromoly tool grade steel. As such, if I was a bike shop mechanic breaking a chain every day it may not hold up. That is just a guess however. It worked fine to break and install my 10 speed Ultegra chain and since I do this only about 1-2 times per year I think it will hold up fine. This I know, at $6.99, it is a fantastic value compared to other chain cutters costing two, three, and eight times as much!