Meco 2pcs Thread Plug Gauge Stainless Steel Metric 60/55 Degree Thread Measuring Gage

Features -Narrow leaf design for both external and internal threads - even in small holes -Locking device securely locks leaves in position for use -55 degree Whitworth and 60 degree Metric screw thread pitch measure gage -55 degree Whitworth thread pitch gage 20 blades sizes range 4-48 threads per inch -60 degree Metric thread pitch gage 20 blades size range 0.5 through 7.00 Specification Material: stainless steel Type: thread gauge Accuracy: 0.07 Thread gauge 55 degrees:4,4.5,5,6,7,8,9,10,11,12,14,16,18,19,20,22,24,28,40,48 Thread gauge 60 degrees:0.5,0.6,0.7,0.75,0.8,1.0,1.25,1.5,1.75,2.0,2.5,3,3.5,4,4.5,5,5.5,6,6.5,7.0 Outside size:64 x 11 x 5 mm Net weight: 20g / Gauge Package Included 1 x 55 degree Screw Gauge 1 x 60 degree Screw Gauge SKU654709