The Gibraltar SC-HML105 10.5mm Hinged Memory Lock is used to memorize the positioning and height placement of a 10.5mm cymbal boom rod, floor tom leg, or tom mounted to an L-rod.

5mm Hinged Memory Lock is used to memorize the positioning and height placement of a 10.5mm cymbal boom rod, floor tom leg, or tom mounted to an L-rod. The hinge adjustment makes it easy to place and move on the knurled boom rod, floor tom leg, or L-rod.