mScrub for 3ds Max® is the plugin by Artur Leao which allows you to easily scrub the timeline and navigate thru keyframes with the mousewhee...
How to use-Press and hold SPACEBAR
-Wheel – Moves back and forth 1 frame
-CTRL + Wheel – Moves 10 frames forward or backwards
-SHIFT + Wheel – Moves to next or previous keyframe.
-Release SPACEBAR and you’re done.
How to install:-Drag and drop the script into Max.
-Go to Customize Menu -> Customize user interface
-Select the Toolbar tab.
-Select “You can do it! VFX” category
-Assign SPACEBAR to mScrub.
More information and buy it here
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