Heavy Load Support System provides additional support when used with the Ultimate Padded Tool Belt by distributing the weight evenly between the shoulders and waist, reducing stress throughout the day. Extra support for increased comfort. Smartphone holder included. Perfectly shaped - will not slip off shoulders for all day comfort. Lightweight and comfortable whilst being incredibly strong and durable. Quick release buckle on the chest strap. Handy pull straps for quick and easy size adjustment. Easily adjustable to fit a wide range of chest sizes. Elastic loops inside main pocket. Metal carabiners for connecting to the belt This replaces the Makita E-05393 Heavyweight Support Padded Tool Belt Braces E-15372 User Benefits Anti-Slip Webbing Heavy Load Support System Key .