Check the listing for details. StewMac NoJak Endpin, White Plastic. Condition: New. Listed at 19.39 USD. De-electrifying your acoustic guitar? Replace your strap jack with our unique NoJak endpin and restore the traditional look. • No woodworking, gluing, plugging, redrilling or reaming—the NoJak endpin fits the same 1/2"-diameter hole.• The Allen-adjustable expansion sleeve gives a secure fit.• And if you ever decide to plug in again, swapping back to your strap jack is no big deal.Guitarmakers: The NoJak endpin lets you drill the same hole size for all your acoustic and acoustic-electric models, with no additional reaming or tapering.The NoJak Endpin was designed by the Stewart-MacDonald R&D team.The pin slides into the 3/4"-long plastic expansion sleeve, and adjusts from inside the guitar with the supplied black metal screw. 5/32" (4mm) Allen wrench required.