Detail 01
20 jumbo frets
The neck has 20 jumbo frets, specified at .108 by .045 inch.

Independent shopping perspective
The Allparts JMF-B is a 20-fret, one-piece maple replacement neck for Jazz Bass guitars. Officially licensed by Fender and made in Japan, it pairs a tinted polyurethane finish with a bound fretboard, white pearloid block inlays, and black side dots. The supplied dimensions include a 1.5-inch nut width, a compound 7.25-10-inch radius, 34-inch scale length, round 2.5-inch heel, and heel-end truss-rod adjustment. Individual woodgrain will vary, and normal setup work may include fret leveling and polishing.


Strong match
Consider the trade-offs
What matters in use
Catalog numbers tell only part of the story. These are the details most likely to change how this product feels, sounds, or fits into a setup.
Detail 01
The neck has 20 jumbo frets, specified at .108 by .045 inch.
Detail 02
The supplied nut-width measurement is 1.5 inches.
Detail 03
The fretboard uses the stated compound-radius specification.
Detail 04
The neck is specified with a 34-inch scale.
Detail 05
The stated heel format is round and 2.5 inches wide.
Detail 06
The neck is supplied with a tinted polyurethane finish.
Final check
Product questions
Straight answers to the questions shoppers most often ask about this product.
It is a replacement neck for Jazz Bass guitars.
Yes. It has a tinted polyurethane finish.
It has white pearloid block inlays, black side marker dots, and cream fretboard binding.
Yes. Fret leveling and polishing may be needed, and that is not considered a defect.
Reference
The complete catalog record, organized around the decisions musicians make when comparing gear.