GIBRALTAR Drum and Percussion Hardware products are some of the most widely used and in demand drum accessories around the world with professional musicians. The Gibraltar SC-GRSRA Right Angle Black Drum Rack Clamp is designed to connect two 1.5" Drum Rack posts at a fixed 90 degree angle. Perfect for connecting a second post arm, leg or extension to you Gibraltar drum rack. OXYGEN Music proudly stocks a wide selection of Gibraltar Drum hardware, accessories, racks and clamps including the SC-GRSRA Right Angle Black Drum Rack Clamp.