Kaw Valley Precision AR-15 Takedown/Pivot Pin Kit Black Small. The pins are machined from US Carbon Steel and Black Nitride QPQ finished. The KVP Takedown/Pivot Pin Kit includes a universal Pivot Pin assembly tool that helps minimize installation frustration. If you use pin dis-assembly tools the KVP pins are dimpled on each end to help positively locate punches bullet tips or the assembly tool provided. This minimizes the potential for tool slipage that could cause damage to ytheir lower receiver. Specifications for Kaw Valley Precision AR-15 Takedown/Pivot Pin Kit: Manufacturer: Kaw Valley Precision Finish: Nitride Condition: New Color: Black Fabric/Material: Carbon Steel Package Contents: Kaw Valley Precision AR-15 Takedown/Pivot Pin Kit (1) Takedown Pin (1) Pivot Pin (1) Assembly Tool (2) Detents (2)17-7 SS Pin Springs (1) Key Ring Kaw Valley Precision KVP-TDPK: AR-15 Takedown/Pivot Pin Kit Black Small