• 24 Eco-Tech Bamboo Level with Block Vials • Strong, durable, laminated bamboo frame • Top-read window maximizes readability • Solid block acrylic vials won"t fog or leak • Hand set vials assure maximum accuracy • Flush mounted protective metal bindings • Shock absorbing rubber end caps protect frame • Models: 1601-2400 (24 Bamboo Level), 1601-4800 (48 Bamboo Level)