From traditional strength training to functional core training, to sports specific and rehabilitation exercises - the K1 does it all! A wider range of exercises, for every muscle group, up to 400 pounds resistance, make the K1 a logical choice. The Bodycraft Fitness K1 Home Gym Exercise Machine is a durable and effective home exercise gym that offers huge variety of strength exercises. The finish of the Bodycraft Fitness K1 Home Gym Exercise Machine is electro-magnetically applied in powder form to evenly coat all surfaces, then baked on at high temperatures for a tough, long lasting finish. The 200 lbs. weight stack featrues precision milled cast iron plates with nylon bushings for smooth action. The Bodycraft Fitness K1 Home Gym Exercise Machines guide rods features chrome plated 1 Inch diameter tubular steel for rugged durability and smooth action.