- Quickly and easily penetrates hard steel
- Gives a durable blue-black finish that won't rub off
- Use like a marking pen
The fastest and easiest way to touch-up nicks and scratches is with the simple to use Presto® Gun Blue Pen. Penetrates hard steel instantly and gives a durable blue-black finish that won't rub off. Use like a marking pen for one coat coverage on non-stainless steels. No spill, no drip - simply rub on with "bullet point" felt tip.