77106 Universal Thread Gauge – 4pc

Four individual gauges measuring pitch and thread in US and metric sizes.

• Manufactured from aluminium
• Identifies bolts | pipe threads and spark plugs 10-18mm
• US and metric sizes
• Range 5/16″ – 3/4″, 10tpi – 44tpi, metric thread sizes 2.5 – 22mm and pitch of 0.45 – 2.5mm
• Fast and accurate