ITEM NAME:Screw thread pitch cutting gauge tool set 4pcs centre gage 55&60 Degree Inc K4S3 Screw thread pitch cutting gauge tool set 4pcs centre gage 55&60 Degree Inc K4S3 Screw pitch Gauge 55&60 Degree with lock device 52 blades in 1 set CENTER GAUGE WHIT WORTH 55&60 Degree inch reading 2 pcs CENTER GAUGE WHIT WORTH 60 Degree Metric reading 1 pc Size: 3 x 3 x 3cm application: To check and set screw cutting tools, and check the angle and pitch of screw thread Angle accuracy: +/-10min. WHIT WORTH 55&60 degree Material: Stainless Steel Colour: Silver Package Contents: 1 x Set Screw thread pitch cutting gauge tool Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm..Screw pitch Gauge 55&60 Degree with lock device 52 blades in 1 set. To check and set screw cutting tools, and check the angle and pitch of screw thread. WHIT WORTH 55&60 degree.