Chicco Nextfit Car Seat harness pins. 2 tiny metal pins, size 3" long by 7/32" in diameter. Part for toddler car seat, see pics for details. This is the 2 tiny metal pins only. Pics 4, 5, 6, 7 shows how the pins look when installed. These pins are compatible with this car seat. Condition is "Used". Shipped with USPS First Class. Measure and ask if unsure, no returns if you buy the wrong one. This fits the Chicco Nextfit toddler car seat, not designed for the smaller infant car seat. #042423, this number is not the model number, it's just for my inventory. Model number is shown in the last picture. This listing is for the pins only, not the car seat, car seat is shown for reference only.