Men adore these Illusion Tunnel Plug Black Stainless Steel Men Unisex Earrings 5mm. These in style, illusion tunnel plug earrings are so comfortable that you won’t even feel like you are wearing earrings! They work as either mens earrings or as ladies earrings. These black plated anodized stainless steel 16 gauge screw earrings are 5m in diameter. More diameters available.