1、The panel fixing clip has a thickness of 9~40mm. 2、The fixing clip is made of high quality aluminum alloy, which is wear-resistant, rust-proof and durable. 3、The 90° right angle is designed for sandwiching boxes, photo frames, shelving cabinets and outside corners. 4、The exact right angle of the inner and outer squares. 5、Suitable for wood/metal right angle / 90 degree welding. Features: The panel fixing clip has a thickness of 9~40mm. The fixing clip is made of high quality aluminum alloy, which is wear-resistant, rust-proof and durable. The 90° right angle is designed for sandwiching boxes, photo frames, shelving cabinets and outside corners.  The exact right angle of the inner and outer squares. Suitable for wood/metal right angle / 90 degree welding. Specification: Material: Aluminum Alloy Thickness: 9~40mm Size:(Optional) 120 x 120mm / 4.72 x 4.72in 140 x 140mm / 5.51 x 5.51in 160 x 160mm / 6.3 x 6.3in Package List: 4 x Clip4 x Locating Block4 x Pole2 x Right Angle RulerNote:Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering.