Product Name : Printer Lower Roller Bushing;Model : for HP 4250 * Material : Silicone, Metal;Dimension : Left: 18 x 10 x 7mm/ 0.7" x 0.4" x 0.3" (L*W*T) * Right: 22 x 14 x 7mm/ 0.8" x 0.5" x 0.3" (L*W*T) : Right: 22 x 14 x 7mm/ 0.8" x 0.5" x 0.3" (L*W*T);Color : As Picture Shown * Net Weight : 1.6g * Package : 1 x Printer Lower Roller Bushing