This is a picture of a hacksaw. There is a thin, flexible blade attached to a frame and it is used for cutting metal. Typically, the blade is held in place by a pin at the top of the frame, and the handle is used to guide the blade as it cuts. To color this picture, I'd suggest giving the saw a metallic-looking sheen with shades of silver and gray. The handle should be a different color, such as black, brown, or red. You could also add a few more details, such as highlighting the blade with white or giving the handle a decorative pattern. Whatever you choose, this unique tool will sure to look sharp once you've finished adding your own creative touch.