Marcy 50 lb. Kettlebell Weight Set with Exercise Chart and Four Kettlebells VKBS-50 VINYL-COATED CONSTRUCTION made from solid cast iron each kettlebell is a reliable long lasting fitness accessory. The weights smooth rubber coated surface helps protect it from sweat & moisture while the textured handle improves your grip on the gear WEIGHT VARIETY  Modify your workout patterns with this kettlebell set that includes four different weights: 5, 10, 15, and 20 pounds. These weights are ideal for both beginners and long-time gym-goers that are looking for intense muscle building. DEVELOPS MAJOR MUSCLE GROUPS Perform rows, dips, swings, and lifts to increase your arm muscle mass and sculpt abs with this Marcy kettle bell weight set. Your lower body can also get a thorough workout with lunges and squats while holding a kettlebell HANDY EXERCISE CHART  Strengthen and develop different muscle groups with this premium weight set! The package comes with a handy exercise chart that will walk you through a variety of routines that efficiently target different muscle groups. IDEAL FOR CIRCUIT TRAINING  Enjoy working out right in the relaxed environment of your home with this functional gym equipment! These weights are an excellent use for body conditioning and resistance training using high-intensity aerobics.