B10 Residential code compliant modular steel stair stringers

Riser height 7 ¾ ’’, B10 kit with connectors and top extra riser hook straps # of steps / risers 10/10 & 10/11, Floor to Floor stair heights 75" to 80" (10 risers) & 83" to 88" (11 risers), Horizontal Run 106", All connecting fasteners with Allen key, parts list and assembly picture instructions included. Package Size & Weight 5"x14"x 72", 65 lbs. American customers pay in US $. (no sales tax). All payments including with credit card mare made through Shopify/PayPal.