Pickup Assembly Jig · WT-JB-B

Jazz Bass® Bridge Assembly Jig

$39.95

A precision assembly jig for Jazz Bass® bridge pickup bobbins. Designed to keep the flatwork and pole pieces aligned during assembly for cleaner, faster, and more repeatable builds.

Jig only. Flatwork, pole pieces, magnets, wire, and other pickup components shown in demonstration photos are sold separately.

Price is shown in your selected store currency. Canadian taxes are calculated at checkout where applicable.

Builder-selected pole setup Jig does not force pole height

Bench-ready workflow Assemble, remove, and wind

Eyelet clearance Room for installed bottom-flatwork eyelets

Built for pickup makers

Keep the bridge bobbin aligned during assembly.

The WT-JB-B holds the top and bottom flatwork securely while the pole pieces are installed, helping maintain consistent alignment and geometry from one pickup to the next.

Flatwork compatibility

Pole piece diameter 0.187 in / 4.75 mm

Winding cavity 0.53 in / 13.5 mm

Top flatwork 0.093 in / 2.36 mm

E-to-G center spread 2.29 in / 58.16 mm

Bottom flatwork 0.093 in / 2.36 mm

Total stack 0.72 in / 18.22 mm

What you get

Simple, purpose-built tooling.

1 × WT-JB-B Assembly Jig

The Jazz Bass® bridge assembly fixture shown on this page.

Matching flatwork sold separately

Choose the corresponding Jazz Bass® bridge flatwork set independently from the jig.

Components not included

Pole pieces, magnets, eyelets, wire, flatwork, and other pickup parts are not included.

Geometry

Jazz Bass® bridge pickup format.

The bridge version is designed around the wider spacing used for Jazz Bass® bridge pickups. The dedicated bridge geometry keeps the flatwork and pole pieces aligned throughout bobbin assembly.

Need matching flatwork?

Pair the jig with the corresponding Winder Tooling Jazz Bass® bridge flatwork set.

VIEW FLATWORK

Jazz Bass® is a trademark of Fender Musical Instruments Corporation. Winder Tooling is not affiliated with, sponsored by, or endorsed by Fender. The trademark is used solely to identify product compatibility.