Instruction: Parse the product information to locate the target attribute, and then provide the extracted value of the target attribute and its source in the output, specifying None if the attribute is not present.

Input:
Product title: Body-Solid Pro Club Line SLC400G 2-Leg Curl Machine
Product description: This leg Curl machine sets the standard for workout comfort and convenience. There's not just ample strength, but highly regarded performance. And not just a comfortable workout, but one that can only be described as remarkably smooth. Compelling proof that a high quality, proven design never goes out of style. Uniquely engineered center-drive Cam distributes weight evenly to eliminate lateral torque. Biomechanically accurate Pivot point ensures ergonomically correct body positioning for natural and complete hamstring and leg biceps development. Elliptical Cam keeps Arc of movement smooth and provides variable resistance through full range-of-motion. Pop-pin adjustable foot pads assure proper alignment. Finally, a form-fitting machine that is big on strength, style and performance., Setting the standard for workout comfort and convenience, the Pro Club Line leg curl machine from Body Solid will get your legs in shape in no time. The machine boasts a uniquely engineered center-drive cam that distributes the weight evenly to eliminate lateral torque, along with a biomechanically accurate pivot point that keeps your body in the correct ergonomic position. As a result, it's a breeze to develop your hamstrings and leg biceps safely and completely. The elliptical cam also keeps the movement arc smooth while you lift, ensuring valuable resistance throughout the entire range of motion. And users will love the extra-tough, tear-resistant DuraFirm upholstery, which surrounds a high-density, top-grade foam padding for maximum comfort., Construction details include a 2-by-4-inch high-tensile-strength steel mainframe; nylon-coated, self-lubricating, aircraft-quality steel cables; fiberglass-reinforced nylon pulleys with v-grooved channels; machine-drilled weight plates that employ oversized nylon bushings for super-smooth operation; and highly polished, chrome-plated steel guide and selector rods. Add it all up and you have a machine that provides a remarkably comfortable and smooth workout. Covered in a double powder-coated finish that protects against scratching, chipping, and peeling, the Pro Club Line measures 37 by 62 by 64 inches (W x H x D), weighs 478 pounds, and carries Body Solid's lifetime warranty.
Product feature: Highly-polished, chrome plated solid steel guide rods and selector rods for smooth movement, Machine drilled to exact specifications and employ Oversize nylon Bushings for super-smooth Operation, Nylon coated self lubricating aircraft quality steel cables
Product price: $135.32
Product brand: Body-Solid
Target attributes: Rack Type
Answer: attribute: rack type
value: None
source: None