28 x Angle Brackets:12 x a + 16 x bProduct Name: Angle BracketMaterial: Metal/Stainless SteelColor:Brass & SilverHole Diameter: 4mm/ 0.16 inchHole Quantity : 2 Holes/4 Holeswidely used in home and factory areas.Specially designed with 90 degree right angle, is an important fastener to make furniture parts stay firm.Easy to installation.Bracket Size : 20 x 20 x 16mm/0.78inch x 0.78inch x 0.63inch(L x W x T)Hole Dia. : 4.2mm / 0.165inchPackage Content :28 x Angle Brackets16 x screwsOnly 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.