Original product made with a 3D printer. During timpani tuning, "It's difficult to strike with the mallets if the key is left on the pedal-side bolt..." This was created to solve that problem! This key has a very low profile (ultra-low head), so it... 【Key Features】 ・Doesn't get in the way of playing even when left on the bolts ・You can tune with all bolts (6/8) attached → No need to move around, allowing you to focus on the sound and tune smoothly♪ 【Usage】 ・Operation confirmed with Pearl 88H series ・Recommended for use during tuning and practice (Although we've confirmed it won't fall off during playing, just in case) ・Easier to turn when the pedal is lowered to the heel side, with the head tension weak ・Small indentations on the sides make it easy to grip with your fingers 【Material】 ・PETG (durable and heat-resistant) 【Set Contents】 Ultra-low head timpani tuning key [for Pearl] x8 An item that embodies the "I wish it was like this" of a timpanist. Feel free to comment if you have any questions!