"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. Measurement Type Standard SAE, Pieces qty. 29, Specialized Pieces qty. 0, Material Type Chrome molybdenum, Drive in. 3/4, Point 6, Storage Type Plastic case, SAE Deep Socket Size in. 3/4-2 1/2."