HOSCO Guitar Builder/ Luthier Supply for sale in the USA

At least 20 ebay results for HOSCO guitar kits
Hosco Fret Setter 10cm long Brass TL-FS10 for sale

Hosco Fret Setter 10cm long Brass TL-FS10

Hosco Fret Dressing -  Medium - TL-FE2 for sale

Hosco Fret Dressing - Medium - TL-FE2

Hosco TL-FE Fret Dressing Files - Small for sale

Hosco TL-FE Fret Dressing Files - Small