This product is a set of essential hand tools for home concrete application projects. It includes an edger, a groover, a pool trowel, and a margin trowel. The edger has an overall size of 6 in. x 3 in. with a 1/2 in. radius, and the groover is also 6 in. x 3 in. with a 1/2 in. width and 1/2 in. depth. The pool trowel measures 14 in. x 4 in. , and the margin trowel is 6 in. x 2 in. . The blades of these tools are made of 1.3mm thick stainless steel, which is rust - resistant, durable, and easy to clean. The handles are ergonomically designed. For the edger and groover, they feature a no - rivets construction. The pool trowel and margin trowel have polished stainless - steel ergonomically designed handles with no - rivets construction. The plastic and rubber handles are lightweight, sturdy, and provide a comfortable grip, reducing fatigue during work. The edger has curved ends and the groover has a radiused edge, allowing them to move easily through concrete without dragging, sticking or catching.