Magnetic Perspective Finder Accurately establish, and transfer directly to your drawings, those elusive critical angles and proportions in any composition. Simply move the sighting strip to correspond with any angle then lay the frame on your drawing, lining up the inner edge of the frame with the vertical line of your drawing and draw in the observed angle - it's as simple as that! Frame size: 5.25" x 6.5", strip size:11.5" long. We offer value for money and accept any returned item for any reason. We aim to ship every order received before 02:00 NZT on the same day and most orders will be with you inside of 8 days, although some may take up to 14 working days. We do offer shipping refunds on multiple purchases, our standard rate being 30% off of the cost of posting the lightest item(s). Just email us with your order number. Thank you.