National marker dry zone shadow board, yellow/blue,68 x 30, acp, aluminum composite panel – sb139acp many manufacturing and food processing facilities are implementing 5s shadow boards to help reduce cost and down time by keeping cleaning supplies (and other tools), in a central location, neatly stored, and always accessible. features: ideal for basic maintenance and organizational use includes shadow board and hardware for mounting tools designed for vikan brand tools (sold separately): 12′ angle broom, 24′ push broom with 59′ handle, dust pan, bench brush, single piece shovel with 14′ blade. lightweight, dual-layered aluminum with plastic core protected by sign muscle liquid laminate temperature range of -60 to 180