The Scan Nitrile Knitwrist Heavy-Duty Gloves are fully coated to protect against oil, grease and most household chemicals. They have good resistance to abrasion, and are harder wearing than PVC. The knitted wristband protects against dust infiltration, and they are jersey lined. Conforms to EN3882016 and EN ISO 21420 Standards. Abrasion Performance Index (1-4) 4 Blade Cut Performance Index (1-5) 1 Tear Performance Index (1-4) 1 Puncture Performance Index (1-4) 1