Sako QD Sling Swivels - 2 Pieces Black S530207774. Specifications for Sako QD Sling Swivels - 2 Pieces: Manufacturer: Sako Color: Black Package Contents: Sako QD Sling Swivels - 2 Pieces Sako S530207774: QD Sling Swivels - 2 Pieces Black