Humbucker to Mini-Humbucker Adapter Pickup Ring -BLACK (A56) Mini-Humbucker pickup in a Humbucker pickup hole. Single ply in black color. Brand New With Protective Film On The Top. (Please visit the photo to get the dimensions ) Measurements (cm): outer: 92mm*46mm /outer screw holes: 83*37.5 / mini humbucker :68.9*29.8 / mini humbucker screw holes : 76mm