The Alan Entwistle HV75A is Entwistle's latest pickup for that 70's inspired sound, being beefier compared to other alnico Humbuckers. Features Hex pole pieces and 4 wire for simple to complex coil splitting. Zebra. DCR: Bridge 13K. Bridge Pole Spacing: 52.5mm. We have had excellent reviews on this pickup. Springs, screws and wiring diagram included. Free USA Shipping.