Comparison : Item # 30150, High Impact - Threaded/Reamed - Inch
Item # M-30151, High Impact - Threaded/Reamed - Inch
Item # M-30160, High Impact - Threaded/Reamed - Inch
Item # M-30161, High Impact - Threaded/Reamed - Inch
Item # M-30162, High Impact - Threaded/Reamed - Inch