MakerBeam XL right angle degree brackets allows for the attachment of two beams at a 90 degree angle. Used for MakerBeam XL (15mmx15mm). Compatible with OpenBeam. Contents: bag consists of 12 brackets. Application: scientific, electronics, laboratories, home technical projects, displays/exhibits, robotics, etc.MakerBeam (XL) is a versatile and lightweight structural system (T-slot) with components that give endless building possibilities. There are no fixed positions for mounting giving you the freedom to build your own design easily. All MakerBeam XL elements can be combined and reused (no welding required) enabling shorter design and assembly times.