The Gibraltar SC-HML78 7/8" Hinged Memory Lock is used to memorize the positioning and height placement of cymbal arms, tom arms, and accessories connected to a rack or stand multi clamp so that your set up goes back together the same way every time. The hinge adjustment makes it easy to place and move on a 7/8" diameter cymbal arm, tom arm or accessory arm.

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Features:

• Fits 7/8" diameter arms or tubes
  
• Hinged for easy adjustment and removal
  
• Maintains consistent height and angle settings
  
• Compatible with cymbal, tom, and accessory arms
  
• Works with rack and stand clamps