TacFire's AR15 rear lower takedown pin features an extended knurled end with a port for an attachment of a paracord or ring. It is constructed of steel. This model has a black finish.Tacfire's AR-15 USA made Rear take down pin features an extended knurled end with a port for an attachment of a paracord or with ring.Features: Made in USA Material: Steel Color: Black For Use With: AR-15 Rifle