D&D Global 12/SPZ1450 Banded V-Belt - SPZ Section, 12 Bands, 1450mm 4L Section What does the 3M in

What does the 3M in 1002-3M-15 mean

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The D&D Global 1023K10 is a Micro-V (multi-ribbed) belt with Micro-V ribbed K-section dimensions

"name":"Gates 20/A68 Hi-Power II PowerBand V-Belts 909220068"

com/products/gates-at10-500-16-synchro-power-polyuret-timing-belt"

D&D Global 12/SPZ1450 Banded V-Belt - SPZ Section, 12 Bands, 1450mm 4L Section What does the 3M inThe D&D Global 12 SPZ1450 is a standard V belt featuring Metric SPZ (10mm) dimensions, manufactured by D&D Global. This belt features a smooth sided design for general purpose industrial power transmission. Constructed with Neoprene body compound and polyester cord tensile members for reliable power transmission and long service life. Specifications Belt Section SPZ Sub Type Standard Width 10mm Thickness 8mm Length 1450 mm Material Neoprene