GT 3-Ply ST-Style 2SC/1HB Electric Guitar Pickguard in Black (Pk-1) with 22 Holes 11102-87-Nc What exactly does that mean

What exactly does that mean

Hot Wires 6ft Microphone Cable (XLR Male - XLR Female) Professional balanced cables with nickel plated male XLR to female XLR connectors for durability

GAIN and VOLUME controls

The magic behind the ProRMP's great tone is a custom wound transformer that at once converts the balanced line level source to a hi-z output for your amp while also acting as an electrical isolator to eliminate troublesome ground loops that can often cause buzz and hum in the sound

GT 3-Ply ST-Style 2SC/1HB Electric Guitar Pickguard in Black (Pk-1) with 22 Holes 11102-87-Nc What exactly does that meanGT 3 Ply ST Style 2SC 1HB Electric Guitar Pickguard in Black (Pk 1) with 22 Holes GT 3 Ply ST Style Electric Guitar Pickguard in Black with 22 Holes. Suits 2 x Single Coil 1 x Humbucker Pickup models. (Pk 1) (GTM6BK)