set of numbers 6, 7 made of industrial metal on black background 3d

abc aged alloy aluminum art background black block bolt cgi characters chrome cog collection construct dark design detail dirty element figure font garage gray grey grunge grungy hardware industrial industry iron isolated lead metal metallic modern numbers nut old paint pipe plate press print reflection repair retro robot rust rusty scratch screw set shiny sign silver steel text texture textured tool type typeset typing typography uppercase vintage writing