SHIPPING INCLUDED This unique dual-function machine allows you to exercise two major muscle groups (the stomach and back) for one great low price. The innovative plate-load design is based on health club single station machines. We even incorporated 2? x 4? mainframe steel from our commercial grade line of equipment for institutional quality. The full-range cam design has an easy-to-use pop pin that allows an additional 26 adjustments to increase and control your range-of-motion. Break-through technology lets you tighten abdominal muscles, strengthen your lower back and increase flexibility. Weight plate post is 1" dia. Shown with optional #OAS14 - Olympic Adapter Sleeve. Olympic Adapter Sleeve, weight plates and collar optional. Specifications Ultra-thick DuraFirm™ upholstery provides maximum comfort. Positioned at a 30° angle for precise biomechanical movement. 2" x 4" mainframe steel for exceptional Light Commercial quality. Easy-to-use pop-pin that allows adjustments to increase and control the user?s range-of-motion. Adjustable lifting arm can be positioned for exercising both the abdominal and back muscles. Ideal for home and commercial use. Dimensions: 43"H x 60"L x 46"W Warranty: In-Home = Lifetime, Limited Commercial Warranty