Riser height 6 7/8'', P10 starter kit with connectors and top extra riser hook straps plus three 2 step extensions with connectors. # of steps / risers 16/16 & 16/17, Floor to Floor stair heights 107" to 113" (16 risers) & 114" to 120" (17 risers), Horizontal Run 181". All connecting fasteners with Allen key, parts list and assembly picture instructions included. Package Sizes & Weight 5"x14"x 72", 66 lbs. + three (5''x 7''x 26'' 17 lbs) American customers pay in US $. (no sales tax). All payments including with credit card mare made through Shopify/PayPal.