4-String US MadeNut Width 1.625″ (1.5″ J Taper or 1.75″ optional)Nut Type BoneFret Size .041/.085″Width at Final Fret 2.48″1st Fret Neck Depth .87″ (.77″ optional)Fingerboard Radius 10″Scale Length 34″Frets 20Bridge String Spacing .78″Neck Wood Quarter-Sawn Rock Maple with Graphite Reinforcement BarsBody wood(s) Swamp Ash (standard) Alder (standard option-sunburst and opaque finishes only) Slab Body on 44-51 Arm and Body Contours Standard on 44-51M Fingerboard Birdseye Maple with Ebony Dots East Indian Rosewood with Birdseye Maple Dots Fretted, Lined or Unlined Fretless with Ebony side dots onlyTuners Hipshot Tapered Shaft, Reverse Gearing Hipshot D-Tuner (optional)Truss Rod Access Neck Heel: 5/32″ HexPickguard Black Single-Ply White/Black/White 3 Ply Aged White (Mint) (Optional) Tortoise Shell (Optional) Pearloid (Optional) Controls Volume/ToneBridge Lakland Dual Access (through body or through bridge)Pickups Lakland Vintage Single Coil (standard on 44-51) Lakland Split Coil NeoPunch Humcanceller (standard on 44-51M)