2pcs Hardened Steel 1-2-3" Blocks 0.0001" Precision Matched Machinist 123 Milling Tool 23 Holes 25-50-75mm block gauge

SPECIFICATIONSBrand Name: ETOPOOOrigin: Mainland ChinaDIY Supplies: MetalworkingModel Number: LG50IN /LG50CMCertification: NONE Specification:   Brand new Color: Silver Material: Hardened steel Size: approx. 2.5*5*7.5 cm/ 1*2*3"(L*W*H) Idea for mounting work for precision It is a hexahedron which is made of hardened steel Ground and hardened on all sides Used for set-up, layout and inspection jobs Suitable for all kinds of machine tool Height accuracy .0001" Hardness HRC 57-62 23 holes includes (5) 3/8-16 threaded holes for clamping and (18) untapped holes The unique design makes your work smoothly Sold in pairs Package included:   2 x Precision Matched blocks Note: In order to work better, please remember to maintain it Please allow 1-5mm errors due to manual measurement Item color displayed in photos may be showing slightly different on your computer monitor since monitors are not calibrated same