Tuning Wrench

StewMAX Member Appreciation Event
20% OFF + FREE SHIPPING*
Special offer ends September 22, 2026 at 4:00PM ET

StewMAX Member Appreciation Event
20% OFF + FREE SHIPPING*
Special offer ends September 22, 2026 at 4:00PM ET

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Tuning Wrench Item # 0019 In stock, ready to ship!
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Tuning Wrench

Square socket for hammer dulcimer, autoharp or zither pins.

Hole dimensions: 3/16" (4.76mm) square
Overall length: 6-3/8" (161.93mm) 

California Proposition 65 Warning
Cancer and Reproductive Harm