Features: Kit comes with 2 Sling Studs: 2 Screw in , 2 white spacers and mounting instructions. Studs will work with both Wood and Synthetic Stocks These will work with all standard sling swivels Perfect for mounting a sling to your rifle. Material: Iron Color: Black Size:As pic Package Contents:2pcs Note: 1.Please allow 0.1-0.3cm differences due to manual measurement, thanks. 2.Please understand because of the light irradiation or computer display difference, so I can't guarantee photos and real color is 100% the same.