Our hand wound pickups have Alnico V magnets and North Up Magnetization. The lead wires are retro styled. Pickups potting fulfilled with paraffin and beeswax. DCR tolerance +/- 10%. Bridge pickup has BRASS plate and comes tapped with 6-32 threads for hassle free mounting to a bridge. Neck pickup has nickel cover. All pickups have standard size. Can be used with any Telecaster guitar. Screws and tubes springs are in the set.