Yuzuki Block Level 150mm 10X75endmill so you can check the

so you can check the size description from other brands to fix this insert

Ensure precision with the YUZUKI® Digital Protractor and Digital Level

Digital Caliper

some sizes are a pack of 2

you need to purchase an additional one

Yuzuki Block Level 150mm 10X75endmill so you can check theProduct Features Features for YUZUKI Block Level : High Precision Vials: Longitudinal and transverse vials enable accurate surface leveling and inspection. V Groove Design: Equipped with a V groove on the bottom, suitable for shafts with diameters ranging from 15mm to 68mm. Transverse Dial: Includes a transverse dial for enhanced precision and functionality. Achieve accurate leveling with our Block Level, designed for precision in engineering,