Product Name: Supply Large Size Steel Gauge Blocks Set Model NO.: 83pcs/set Customized: Non-Customized Certification: DIN Precision Measuring Device: Precision Measuring Device Accuracy: A Measure Method: Manual Precision: According to DIN Standard Resolution: 0.01mm Range: up to 1000mm Measurement Object: Length Material: High-speed Steel Type: Gage Block Delivery: 1 Month Trademark: "PRECO" or OEM Transport Package: Wooden Case Inside and Carton Outside Specification: inch or metric Origin: China Product Description Supply precision Large Size Steel Gage Blocks and SetsFeatures:metric and inch sizes are available.(2) Grade 0, 1, 2 for your choice.(3) Material: A carefully selected, high quality, special steel alloy, aged, hardened and hand lapped. Accuracy of parallel end measurements conforms to DIN 861(4) Packed in good wooden case.Except above Parallel Gauge Blocks Set, we also supply large range of measuring tools, such as Vernier Calipers, Electronic Digital Calipers, Inside or Outside Micrometers, Dial Indicators, Engineering Squares, Protractors, etc.For more details of our products, please kindly visit our website ordirectly contact us through email, fax and phone to get further assistance.