Dinasaw Automatic Bandsaw Sharpener Leather Gloves fire retardant molded rubber sole and Provides protection when sanding fire retardant molded rubber sole and replaceable stainless steel spikes for the ultimate in grip and highest international chainsaw protection (Level 3) The Bison Stamina vest is reversible with an anti pill polyfleeece lining straight sharpened teeth generate smaller chips that are forced directly down to spill beside the blade causing friction that heats and buckles the blade It’s all about the teeth – they do the work – improving the teeth’s geometry increases cutting speed and accuracy while decreasing frictional heat and sawdust packing