Overall, a great blade. Here is how I would rate it relative to other blades.
Gillette SharpEdge
Iridium
Feather
Gillette Perma Sharp
Shark
Gillette Swede
IP
Dorco ST-301
Price - $0.15 a blade, no issue here.
Quality - Consistent in the pack, a few minor cosmetic blemishes.
Sharpness - Not the sharpest blade, but still very good
Longevity - 4-5 shaves
Smoothness - Not many blades are noticeably sharper
Packaging - No issue here
Gillette SharpEdge
Iridium
Feather
Gillette Perma Sharp
Shark
Gillette Swede
IP
Dorco ST-301
Price - $0.15 a blade, no issue here.
Quality - Consistent in the pack, a few minor cosmetic blemishes.
Sharpness - Not the sharpest blade, but still very good
Longevity - 4-5 shaves
Smoothness - Not many blades are noticeably sharper
Packaging - No issue here