The SMB30S is a black Swivel Mounting Bracket made of polyester. This bracket offers ultimate in flexibility and convenience. The threads into the adjustable captive "ball" of the bracket, which locks snugly in position when two clamping bolts are tightened. Stainless steel and reinforced thermoplastic polyester mounts reduce installation time and lower total installed. Versatile swivel-mount is flat and have an adjustable ball to position the sensor at any angle. Suitable for use with SM30-series EZ-BEAM sensors.