In case you're still looking 8 years later...
Haven't tried these yet because I use the rubber washer style, but this product is the socket/air chuck style of attachement.
https://www.cablefreeguitar.com/coll...44797978411240
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In case you're still looking 8 years later...
Haven't tried these yet because I use the rubber washer style, but this product is the socket/air chuck style of attachement.
https://www.cablefreeguitar.com/coll...44797978411240
GrovTec GTHM234 could be attached with whatever screw you prefer.