Musiclily Dual Hot Rail Guitar Single Coil Humbucker Pickups for Fender Stratocaster Squier Telecaster Electric Guitar, Black Standard Single coil size,but it is Humbucker,you can install it in a Fender Strat/Squier straightly or Tele guitar with a modification. 4 Conductors,black body, chrome dual rails. The pickup has four wires so it can be splittable. For the wiring mapping, you can find it down the page or in Mike B review and Robert Johnson "Bob" reviews and comment. Thanks them! Ceramic Magnet, Quiet pickup with 10Kohm resistance high output, please see the reviews for the tone feeling. Please install it carefully,base on reviews, the plastic part is easy to break