Specification Brand : TTZEZE BulletPoint1 : Hight Quality Material - High quality aluminum alloy, surface anodic oxidation treatment, will not drop color. Used with M5 screw & M5 T nut. BulletPoint2 : Wide Applications - Widely used office and factory appliance for building industrial aluminum frame structures, 3D printers, CNC Routers, CNC laser cutters, Robotics Projects. BulletPoint3 : Measurement Data - Package includes 4PCS L shape brackets outside joint plate. Size is 60x60x4mm/2.36x2.36x0.16'', please refer to the second picture for detailed size data. BulletPoint4 : Used for - 2020 Series aluminum profile 5-hole 90 degree L shape outside joining plate, used to connect metric 20 series aluminum profiles. BulletPoint5 : Packing list: 10 pcs Aluminum alloy corner braces Color : Silver CustomerPackageType : Frustration-Free Packaging ExternallyAssignedProductIdentifier : 10044315936408 FinishType : Black Anodized IncludedComponents : 20 PCS 4" x 1-5/8" Aluminum Flat Mounting Bracket IncludedComponents1 : 12pcs 1010 Series Aluminum Extrusion Profiles 90 Degree Corner Brackets IncludedComponents2 : 24pcs M5 T Slot Nuts and Bolts IncludedComponents3 : 1piece 3mm Hex Wrench ItemDepth : 1.0 inches ItemDisplayDimensions_Height : 5.6 inches ItemDisplayDimensions_Length : 6 inches ItemDisplayDimensions_Width : 3.76 inches ItemName : 4 PCS Joint Plate, TTZEZE Surface Anodic Oxidation Silver L Shape Corner Bracket Plate 5 Hole Outside Joining Plate for 2020 Series Aluminum Profile 3D Printer Frame ItemPackageDimensions_Height : 18.2 centimeters ItemPackageDimensions_Length : 1.9 centimeters ItemPackageDimensions_Width : 11.4 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : hardware-brackets Manufacturer : TTZEZE Material : Aluminum ModelName : 2-3/4 x 2-3/4 x 1-5/8 inch Slotted Corner Braces ModelNumber : 00676SI MountingType : Corner Mount NumberOfItems : 1 PartNumber : 00676SI ProductDescription : Features: - T shape outside joining plate, made of high quality material aluminum, durable. - T shape outside joining plate for 2020/3030/4040/4545 series aluminum alloy. - These aluminum joint bracket plates allow you to join standard 20mm t-slot/v-slot aluminum extrusion. - Used widely in the office and factory appliance, communication equipments, ship assembly and other machinery industry. ..... Specification: Material: Aluminum Color: Silver joining plates Thickness: 4mm / 0.16 inch ..... Package Include: 4pcs x Aluminum Alloy T Plate ..... Note: 1.The colors may have difference as the different display, please understand. 2.Please check the specific size of the product according to the second picture before you bid. 3.Please allow 1-2mm error due to manual measurement, please make sure you do not mind before you bid.