The Kwikset Bottom Pin Set 1-6 is a comprehensive set of bottom pins for Kwikset locks. This set includes 100 pieces of each size bottom pin, from size 1 to size 6, providing enough pins to rekey multiple locks. The pins are made from durable full-hard #360 alloy brass and are produced using the original manufacturing design. They are also made in the USA, ensuring their quality and durability. The Kwikset Bottom Pin Set 1-6 is the perfect choice for locksmiths and anyone looking to rekey Kwikset locks. It is also a great option for replacing lost or damaged bottom pins in Kwikset locks.