Roofing kits from Miller are easy to install and can be used on either steep pitched or flat surfaced roofs. Kits are complete and ready to use for one person. Each kit comes with model E850/UGN DuraFlex harness, steel twist lock carabiner, manual stainless steel rope grab with 2ft. web lanyard with shock absorber, nylon rope, and carrying bag. RA10 kit comes with 12 single use anchor with hardware and RA20 kit comes with 2 reusable anchors with hardware.