"This 29-pc. 3/4in. drive heavy-duty deep SAE impact socket set is made with CRMO for maximum strength and performance. Comes in a blow-mold case with wheels. Pieces qty. 29, Measurement Type Standard SAE, Specialized Pieces qty. 0, Material Type Chrome molybdenum, Storage Type Plastic case, Point 6, SAE Deep Socket Size in. 3/4-2 1/2, Drive in. 3/4."