thunder grip glow in the dark 30" x 6"-12-pack weather resistant outdoor stair treads 80-grit glow - outdoor 6" x 30" x 12p is up for auction in Tools & Home Improvement. The current bid is $1.50, 95% below the $29.99 MSRP, in New/Like New condition. This auction has ended — similar items appear in live auctions regularly.