Comparison : Item # 68414, 1/2 in. Size Combination Wrench
Item # 68415, 9/16 in. Size Combination Wrench
Item # 68417, 11/16 in. Size Combination Wrench
Item # 68412, 3/8 in. Size Combination Wrench
Item # 68418, 3/4 in. Size Combination Wrench