Product Name : Door Roller Wheel;Hole Spacing : 4 x 3.4 cm / 1.6" x 1.3" (L*W) Hole Dia : 4 mm / 0.16";Roller Size : 2.5 x 0.8 cm / 1" x 0.3" (D*T) Each Size : 5.4 x 5 x 1.3 cm / 2.1" x 2" x 0.5" (L*W*H);Material : Metal, Plastic Color : Silver Tone,…