FUNCTION: Can putting two photo equipment devices together, full of variety adapter set, no need buy other camera adapter with these adapter set.APPLICATION: Fit for most dslr camera/ tripod/ monopod / ball head /flash light stand/ shoulder rig camera accessories.CONVENIENT: Help you gain more rig combination possibility and freedom in your photo .Solid and Durable.1/ 4 inch to 1/ 4inch Male To Male Screw Adapter:Length: 20 mm/08inWidth: 16 mm/06in1/4 inch to 3/ 8 inch Male To Male Screw Adapter:Length: 20 mm/08inWidth: 16 mm/06in1/4 inch to 3/8 inch Screw Adapter Converters:Height:7mm/03incolour:SilverMaterial:metalPackage Contents:3 * 1/ 4inch to 1/ 4inch Male to Male Screw Adapter3 * 1/ 4inch to 3/ 8inch Male to Male Screw Adapter4 * 1/4inch to 3/8inch Screw Adapter ConvertersOnly the above package content, other products are not included.Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.