Neck humbucker: 7.5K (3.75K for split coil). Center single-coil: 7.5K (3.75K for split coil). Bridge humbucker: 15K (7.5K for split coil) Hole spacing N: 50 mm M: 50 mm B: 52 mm Four wires for humbucker: black wire for hot, green wire for ground, red and white wires for split coil Materials: PVC sheathing and copper coil pickups. Weight: 700 grams per set. 1 x 3-ply guitar guard. 3 Alnico 5 humbucking pickups. 1 x 5-way switch. 3 potentiometers (1 volume, 2 tone, brass shaft). 4 single cutaway switches. 1 x 400V/200V capacitor. In addition to the original functions, the two single-cut toggle switches bring new functions as follows. For example, toggle on + 5-way switch in bridge position = neck and bridge pickups work together.