The diamond saw blade with the same diameter maybe has different prices. One of the reasons is the diamond segment height. Different segment heights result in different costs. For diamond granite blades, Sunny Superhard Tools provides you with 10mm, 12mm, 15mm, and 20mm. Other segment heights can also be customized. This 400mm diamond saw blade is designed for cutting granite. The lifespan is lengthened with a segment height of 20mm. The superior diamond formula delivers an outstanding cutting performance. The silent type of granite blade reduces the noises during cutting and makes it more comfortable for the operators. OEM and ODM services are supplied. Other Sizes of Diamond Saw Blades For Granite Cutting: Diameter Segment Size Segment Nos. Diameter Segment Size Segment Nos. mm mm teeth mm mm teeth φ300 40*3.0*10 21 φ600 40*4.8*10 42 40*3.0*12 40*4.8*12 40*3.0*15 40*4.8*15 40*3.0*20 40*4.8*20 φ350 40*3.2*10 24 φ700 40*5.2*10 42 40*3.2*12 40*5.2*12 40*3.2*15 40*5.2*15 40*3.2*20 40*5.2*20 φ400 40*3.6*10 28 φ800 40*6.0*10 46 40*3.6*12 40*6.0*12 40*3.6*15 40*6.0*15 40*3.6*20 40*6.0*20 φ500 40*4.2*10 36 Other specifications can be customized upon your requests. 40*4.2*12 40*4.2*15 40*4.2*20 SAFETY TIPS:  Whenever you are using a diamond saw blade for cutting projects, for keeping safety, please be careful and make sure that your body is fully protected. Safety is the first thing you should concern when doing cutting works.φ400*40*3.6*15*28Tφ400*40*3.6*20*28T