uxcell 10 Pcs Black Extrusion End Cap for 28mm x 28mm T-Slot Aluminum Profile Product Name : Aluminium Profile End Cap;Cross Head Screw Size : 10 x 6mm/0.4" x 0.24"(L*D) Each Size : 30 x 30 x 5mm/1.2" x 1.2" x 0.2"(L*W*T);Material : Plastic Main Color : Black;Inner Size 28 x 28/1.1'' x 1.1''(L*W) Net Weight : 27g Package Content : 10Pcs x Aluminium Profile End Cap