The Hagstrom Select Series, Vintage Series, and UltraLux Series guitars recapture the original glorious Hagstrom style. They are built to the same stringent quality standards and feature Hagstrom’s exclusive technologies including the legendary H-Expander Truss Rod while introducing a number of new technological advances such as the Resinator Fretboard in order to guarantee that these are the finest guitars on the market.The Hagstrom Vintage Series HB-4 4-String Bass Guitar has the classic Hagstrom bass design. The HB-4 Bass Guitar features a 44mm Mahogany body and a Maple Bolt-on Neck with neck plate. The fingerboard is made from Resinator wood with Hagstrom 6mm Pearl Dot Position Marks. Resinator wood is more stable than any standard wood product. It is the perfect fingerboard material in that it eliminates wolf tones or hot spots, and it has a smooth, articulate sound. The H-Expander Truss Rod provides tension at either end and running the entire length of the neck, and the rigid yet lightweight alloy truss rod allows for a very low action and thin neck, two factors that were instrumental in earning Hagstrom its reputation as the world’s fastest playing guitar. The HB-4 has two Hagstrom Open H-Rail, Alnico 5 Bass Pickups. Other features are: Hagstrom 17:1 Die Cast tuning keys, 30.75 inch scale length, a Hagstrom Full Contact Bass bridge, dual access, a 6-way rotary pickup selector, and 1 x volume/ 1 x tone.