A Snap On Compression Gauge with case (vintage?). This (inherited) item looks to be in VGC with clear gauge face and all looks in good order. Please see all photos
eBay
8pcs Petrol Engine Cylinder Compression Tester Kit, Small Engine Compression Tester Automotive Tool Gauge 0-300PSI for Testing C
Aliexpress UK
Blue Point (By Snap On) AST 3100A Diesel Engine Compression Tester Car & Van. Condition is Used. Dispatched with Royal Mail Special Delivery (TM) 1:00 pm.
eBay
8pcs Petrol Engine Cylinder Compression Tester Kit, Small Engine Compression Tester Automotive Tool Gauge 0-300PSI for Testing C
Aliexpress UK
eBay
Gasoline Engine Compression Tester Car Pressure Gauge Tester Meter Auto Petrol Gas Engine Cylinder with M10 M12 M14 M18 Adapter
Aliexpress UK
ONE (1) Lot of Tools. These used tools are untested for operation or accuracy. The tools and parts show wear including a loose lens, missing ends on the wire connections, a dent in one gauge, yellowing of the lenses on the gauges, corrosion, scuffs, scratches, and other wear from use and age.
eBay
Car Cylinder Tester Kit Gasoline Engine Compression Meter Automotive Cylinder Tester Kit with M10 M12 M14 M18 Adapter Parts
Aliexpress UK
M3543A Snap-On compression tester for Detroit 71 series.
eBay
Professional AUTO TOOLS Petrol Engine Cylinder Compression Gauge Tester Kit Cylinder Tester With M10 M12 M14 M16 M18
Aliexpress UK
11Pcs Cylinder Pressure Checker Multifunctional Petrol Engine Compression Tester Compression Test Kit for Motorcycle Car Truck
Aliexpress UK
Case for TOPDON BT100/BT200 Battery Tester 100-2000CCA, Automotive Alternator Tester, Car Battery Tester 24V 12V Load Tester, Du
Aliexpress UK
Car Battery Tester 12V24V with Lithium Battery Testing,Battery Load Tester,Car Alternator Tester Charging Cranking System Tester
Aliexpress UK