3M 81399 3x21 50y Purple Sanding Belt
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3x21 50y Purple Sanding Belt

Mfg.# 81399
Sku# 5357082


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  • Features
  • Specifications
Tough, durable Cubitron-based Regalite abrasive on Y-weight cloth backing. Self-sharpening Cubitron sol gel mineral creates sharp new cutting edges as it wears for high cut rates, long life, consistency, increased productivity and fracture toughness. Higher stock removal with less heat and loading.
  • 700 SERIES - 761D - PURPLE
  • Bulk
  • Grit: 50
  • Wdth x Lgth In: 3 x 21
  • Grit:50
    Length:21 in
    Width:3 in