Package Contents: You will receive 10 pieces shear pins with size of 4.18x1.37cm /1.6x3.5inch and 10 pieces chop pins with size of 3.37x1.35cm /1.3x0.53inch, you can replace the models 738-04124a and 714-04040 accordingly, and the quantity is enough to meet your daily needs. Premium Materials: Our shear pins and shear pins are made of durable and reliable materials, which can protect the auger from damage when it works on branches, thick ice, rocks and etc. As a good helper, it is suitable for good use.Harsh environment. Convenient to install: They are very easy to install, you just need to push the shear pin, then use the shear pin to lock it in place and you can use it without worry after checking the lock. Perfect replacement: As an alternative, they can be used as 738-04124A replaced from 738-04124 and 714-04040 replaced from 02-901. Compatibility: Fits most models of 2-stage snow blowers and 3-stage snow blowers. Compatible with a variety of MTD, garden machines, garden workers, snow blowers and lawn tractors.