Our unique flat-faced kettlebells sit more comfortably against the forearm in front rack position and when performing functional movements like snatches, cleans, and Turkish get-ups. They feature single-piece construction and competition form factor design. NOTE: If using these Kettlebells inside of the Atom GPP training program, the weight-to-level relationship is as follows:26lb/13lb - L4 Beginner Male/Female35lb/18lb - L3 Novice Male/Female44lb/26lb - L2 Intermediate Male/Female 53lb/35lb - L1 Advanced Male/Female Features • Available in 13, 18, 26, 35, 44, and 53lb• IKO/SED competition standard dimensions     -32mm handle horn (13/18/26lb); 35mm all              other sizes     -185-195mm handle width range      -70mm window height at all sizes • Single piece steel molded construction• Black powder coat• Flat face