Specification Brand : ZJchao BulletPoint : 5 Step Test Calibration Block Step Wedge for Thickness and Linearity Calibration for Ultrasonic Thickness Gauge in NDT Testing #304 Stainless Steel 3mm 5mm 10mm 15 mm BulletPoint1 : 【Easy Installation】Featuring four holes on each angle block, the 45 degree angle allows for quick and easy installation into various tools, enhancing versatility for production and inspection tasks. BulletPoint2 : 【Accuracy Engineering】The angle gauge is made from accuracy ground solid hardened steel, ensuring exceptional durability and accuracy for all your measuring and calibration needs. BulletPoint3 : 【Comprehensive Set】The 0/45/90 degree woodworking tool set includes two blocks: one for 30°-60°-90° angles and another for 45°-45°-90° angles, providing everything needed to achieve accurate measurements in different applications. BulletPoint4 : 【Versatile Use】With a accuracy grounding angle, the angle blocks set machinist is adaptable for use in tools, production setups, and inspection processes, making it a must-have for any workshop. BulletPoint5 : 【Accurate Measurement】Designed specifically for calibrating and measuring exact angles, the machinist square set guarantees high accuracy, making it great for both professional and projects. Color : As Picture Show ExternallyAssignedProductIdentifier : 1098464648783 ItemName : Angle Gauge, Machinist Square Set 45 Degree Angle 2pcs Angle Block Set 30-60-90 45-45-90 Degree Angle Block Set Solid Angle Plate Se Accuracy Machinist Measurement Tool ItemPackageDimensions_Height : 2 centimeters ItemPackageDimensions_Length : 18 centimeters ItemPackageDimensions_Width : 7 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : gage-blocks Manufacturer : ZJchao ModelName : Zjchaoheuom8n67y ModelNumber : ZJchaoheuom8n67y NumberOfItems : 1 PartNumber : ZJchaoheuom8n67y ProductDescription : 1. ground solid hardened steel. 2. For calibrating and measuring the exact angle. 3. Four holes on each angle block for easy installation. 4. grounding angle for easy installation in tools, production and inspection. 5. The set contains two angle blocks: one 30°-60°-90° degree block and one 45°-45°-90° degree block.