Here are the part numbers on all hoses.
Vintage Snap-On Compression Gauge Kit Kilopascal & Hoses 100 & 300psi Gauges HTF
Snap On Carburetor Gauges MC131, 132, 133, 134, 135, 136, 137
Vintage Snap-On Compression Test Kit, USA Gauge Glass Is Cracked
SNAP-ON COMPRESSION GAUGE SET MT308L
Snap-On Compression Test Kit KRA124A Original Red Metal Storage Box KRA-124A
Vintage Snap-On Compression Gauge 0-250 PSI Tester 22149-1 with Accessories
