Unior Industrial Strength Nitrile Mechanic Gloves – Box 100 X-Large. Uniors Heavy Duty Nitrile Mechanics Gloves are perfectly suited to protect you from all manner of workshop hazards: oils cleansers sealants that gunk that builds up on derailleur pulleys and so on. Theyre 6 mil thick for extra protection and extra strength. We make these gloves powder-free so theyre neat and tidy and the nitrile construction means you dont have to worry about any sort of latex allergens. Each box contains 50 pairs.