Unique 24++ 24 Fret Electric Guitar Neck. Shane withenshaw of rsw custom guitars shows you how to build a neck through body electric guitar from scratch! 24 fret extension necks interfere with standard neck pickup placement, making it necessary to relocate the pickup rout. This custom feature is $35 extra. Unfinished electric guitar neck 24fret 25.5inch maple+rosewood guitar project us. 24 Fret Electric Guitar Neck - Docooler Guitar Neck 24 Frets New Replacement Maple Neck Rosewood Fret Helmet Don Wd licensed by fender replacement baritone 24 fret neck for stratocaster.