Features: Made of aluminum alloy, long service life. Anodized red surface, durable and resistant to corrosion, rust prevention. L-Type positioning square, with accurate metric/inch scale and different fixing holes, is convenient for you to measure length, position, etc. Beveled edges, Perfect 90 Corners, easy to handle and will not damage the fragile cutting edges, just place a square on the corner of the two stock pieces to square and secure with a set of clamps. Ergonomic design, strong grip, helps to set up quickly, and provides you with comfortable and safe use process. It is widely used for clamping on boxes, picture frames, drawers, frames, shelf cabinets, 90 degree weld and for outside corners. Specifications: Name: 90 Degrees Positioning Ruler Material: Aluminum alloy Color:Red Size:140*140mm/160*160mm Package Included: Option 1: 1xClamp Hook Option 2, 3: 2xPositioning Squares 4xClamp Hooks Do ? Yes,we do.If you have any question please contact us. Production Material Safety? All products are 100% brand new, workable and checked carefully before sending out. When is the parcel sent? We will send out order within 5 workdays. The delivery time will vary according to different countries and will be affected by weather, public holidays and so on. If order doesn't received in declare time, please contact us. How about refund? Full refund if the item does not match the description or defective. _x000D_