Muspor MX0360D 3pcs Guitar Neck Shims 0.25 0.5 1 Degree Wooden Shims Set UK Y1B5

This set includes 3 hard maple shims, each at a different taper for changing the pitch of any bolt-on neck Well cut and angled shims are made of solid maple to match the guitar neck. Set includes 3 hard maple shims in the following tapers: 0.25-degree taper, 0.5-degree taper and 1-degree taper.

eBay