The Waypointer $9.95 Five Latitude/Longitude Scales that provide quick and simple means of reading & plotting coordinates on maps. Clearly defined accurate scales & slots by each scale make it The Best Scale on the market for plotting & measuring Latitude and Longitude coordinates. Slots by each scale so positions can be marked on the map. Has appropriate scales for the following maps: 7 1/2 Minute Topos 1:24K 15 Minute Topos 1:62.5K 30' x 60' Topo(BLM) 1:100K 1° x 2° U.S. Forest Service 1:126.72K U.S.G.S 1:250K Very Easy to Use.