The Space Effective Dual Function Combo TKO Ab Crunch and Back Extension Weight Stack Machine The TKO Dual Ab Crunch and Back Extension Weight Stack Machine is designed to save space and money by combining two commonly separate machines into one compact, multi-function strength training unit. Built with high-gauge, durable, oval steel tubing and coated with a graphite-colored paint finish, this machine helps protect against wear, moisture, chips, scratches, and nicks. Train both your abs with a crunch-style exercise and your lower back with a back extension movement using one shared 170 lb. upgradable weight stack that is more than sufficient for most users. The compact, multi-purpose design makes this unit ideal for facilities looking to maximize floor space while still offering essential core and lower-back training options. This ab and back training machine is built for light-commercial and residential gym facilities with 4-6 hours of use per day, including personal training studios, schools, fire and police departments, hospitality gyms, corporate gyms, private recreation centers, and home gyms. TKO Ab Crunch and Back Extension Weight Stack Machine Features Adjustable Arm Position: 4-position arm adjustment accommodates many user sizes. Dual-Function Training: Combines ab crunch and back extension exercises into one compact machine. Space-Saving Design: Compact, multi-purpose layout saves space and money for other machines. Shared Weight Stack: 170 lb. upgradable weight stack supports each exercise. Durable Construction: Durable construction, protective paint coating, and quality upholstery create a long-lasting machine with an attractive, premium look. Light-Commercial Use: Built for light-commercial and residential gym facilities with approximately 4-6 hours of use per day. Ideal Facility Types: Suitable for personal and group training studios, schools, fire and police departments, hotels, apartments, condos, community gyms, corporate gyms, private gyms, recreation centers, and home gyms. Frame: Compact, space-efficient design requires minimal floor space. Placard: Simple step-by-step instructions and training tips help users maximize workouts. Shroud: Fully shrouded weight stack helps protect equipment. Cables: Aircraft-spec 5mm American LOOS cable with a 2,000 lb. breaking strength; end fitting tested to 250,000 cycles using full weight stack. Tubing Frame: 2.5mm to 2.75mm square tube in various sizes from 30 x 60mm to 50 x 100mm, electro-welded for maximum integrity. Movement: Easy-to-use design with minimal adjustments and pre-stretch features for optimal exercise positions. Pad: High-use upholstery supported by 70mm thick foam. Pulley: Glass fiber reinforced nylon pulleys with deep V-groove provide secure cable seating and fluid bearing rotation. Color: Graphite paint with black upholstery. TKO Ab Crunch and Back Extension Weight Stack Machine Specifications Dimensions: 41" L x 43" W x 60" H (104 cm x 109 cm x 152 cm) Weight Stack: 170 lbs. Product Weight: 389 lbs. (176 kg) Frame Color: Graphite Upholstery Color: Black Warranty Information: Frame Warranty: 10 Years Parts Warranty: 5 Years Limited Parts Warranty: 6 Months Downloads:Instructional Manual PDFSell Sheet PDF Strengthen your core training area with the TKO Ab Crunch and Back Extension Weight Stack Machine, a compact dual-function solution for abdominal and lower-back workouts. This space-saving TKO ab and back machine is ideal for light-commercial gyms, residential fitness centers, training studios, schools, and professional workout facilities.