19 degrees
Depending on manufacturer this club could have the loft of a 4 iron or a 3 iron. It is a club which has the loft of an iron but the design of a wood, it helps get the ball in the air easier. You can use it for tee shots on par 3s or to get into position on a par 4. You can also use it for approach shots on par 4s and par 5. Some people even use it for bump and run shots.
15.5
According to several places a club with a 19 degree loft could be anything from a 4 wood to a 3 iron. So basically it might be a 4 or 5 wood as well as a 3 iron especially if its a 3 iron hybrid.
Depends how fast you swing and what shaft you have in it, it could go anywhere between 190 and 220 yards.
Not very much I'm afraid, they are not a great club. Try eBay for the best price or trade them in.
A 3 iron is usually 21 degrees and and 4 iron 24 degrees, so a strong 4 iron. Depends on manufacturer really. And also remember the shafts on hybrids are slightly longer, perhaps by an inch which means the ball goes further.
4 iron
4 feet
to replace a 3 iron or 4 iron
Putters have a small amount of loft, this is so the ball can roll well. But you don't want too much loft, a Scotty Cameron Studio Select has 4 degrees and this would probably be the most. Putters would generally have between 2-4 degrees.
Depending on manufacturer your average name brand iron set degree of loft is as follows; 3 iron 21* of loft { The higher the # the higher the ball goes 4 iron 24 *{ The lower the # the further the ball goes 5 ----27 { * represents degree } 6-----30 * 7-----33 * 8-----37 * 9-----41 * pw=pitching wedge any where from 45* to 48*