Satin stainless steel. Chrome-plated plastic spindle holds rolls up to 5 1/8" (130mm) diameter (1500 sheets). Recessed cabinet 3 15/16" (100mm) deep holds spare roll. Unit 6 1/4" W, 6 1/4" H (160 x 160mm). Rough Wall Opening: 5 1/2" W, 5 1/2" H, 4" min. depth (140 x 140 x 100mm).