din quality en/iso quality technical features abrasion ... s 1250/5 7.3 8.7 800 630 500 1000 2200 2200 2200 2200 s 1250/6 7.8 9.1 800 630 500 1000 2200 2200 2200 2200 s 1600/4 8.1 9.5 1000 800 630 1200 2200 2200 2200 2200 s 1600/5 8.1 9.5 1000 800 630 1200 2200 2200 2200 2200
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