HOSCO Guitar Builder/Luthier Supply for sale in the USA

At least 20 eBay results for HOSCO guitar kits
Hosco Truss Rod Wrench 7mm WRE-7.0 for sale

Hosco Truss Rod Wrench 7mm WRE-7.0

Hosco Saddle Slot File TL-SF2.5 for sale

Hosco Saddle Slot File TL-SF2.5

Hosco Fret Dressing -  Small - TL-FE1  for sale

Hosco Fret Dressing - Small - TL-FE1