Copper and brass utensils scrap slipped at the non-ferrous metals market here today on stockists' selling amid sluggish demand from industrial users. Elsewhere, nickel prices also slid owing to lower demand from alloy industries. Copper scrap heavy, copper armature, copper utensils and nickel prices eased by Rs 5 per kg each to Rs 451, Rs 447, Rs 423 and Rs 985 from Wednesday's closing level of Rs 456, Rs 452, Rs 428 and Rs 990, respectively.