Comparison : Item # 1160AS, Diamond Positive, i.c. 0.645 / 0.651 in
Item # CPR320, Diamond Positive, i.c. 0.389 / 0.395 in
Item # CPR322, Diamond Positive, i.c. 0.389 / 0.395 in
Item # CPR420, Diamond Positive, i.c. 0.514 / 0.520 in
Item # CPR630, Diamond Positive, i.c. 0.764 / 0.770 in