To calculate the overall star rating and percentage breakdown by star, we don’t use a simple average. Instead, our system considers things like how recent a review is and if the reviewer bought the item on Amazon. It also analyses reviews to verify trustworthiness.
Unfortunately these pins break very easily, fortunately they are replaceable. The chain tool from Park is very good indeed and I would recommend it to any keen cyclist. If you buy one though, be sure to buy some of these as you will need replacement pins!
They are replacement pins that fit most Park Tool Chain tools, They seen good quality I haven't used them yet as I bought them as spares. If you like a comprehensive small tool kit whilst out cycling and own a Park Tool Chain Tool buy them.