Concrete groovers stainless steel"durasoft" handle"premier line" blade - 6 inches l x 3 inches w radius w x d 1/4 inches x 1/2 x 1/2 Blade made of stainless steel with sturdy steel mounting. Properly shaped bit and leading edge cuts a sharp groove. Durable and resilient DuraSoft handle provides a soft feel while reducing fatigue.