Patented Mighty Line Safety Floor Tape 4 inch by 100 foot white and black diagonal industrial floor marking tape. Mighty Line floor tapes come with a 3 year limited warranty. Mighty Line peel and stick floor tapes have beveled edges. Mighty Line is great for industrial facilities. Mighty Line is great for 5s, lean manufacturing, six sigma, floor marking tape applications. This floor tape is also available in 3', 4' and 6' widths. Part Number: 4RWCHV UPC: 815035010395