3M 312 6001 Ear Plugs, Bullet, 31 dB NRR, Gen Purpose, Corded, Disposable, Roll Down, L Earplug Size, 200 PK 54YR10 Thread Direction Right Screw Type Thread Direction Right Screw Type Lead Screw Assembly Type Lead Screw and Nut Assembly Nut Type Standard Nut Shape Triangle Coating Material PTFE Screw Material Stainless Steel Screw Material Grade 300 Nut Material Stainless Steel Lead Accuracy 0 928 25HV 25 ft Tape Measure Number of Wrenches 0 Number of Miscellaneous Tools 0 Cutting Tools Included None Putty Knives and Scrapers Included None Number of Cutting Tools 0 Number of Inspection and Retrieving Tools 0 Inspection and Retrieving Tools Included None Wrenches Included None Miscellaneous Tools Included None Primary Application Electrical Insulated Uninsulated Measurement Type SAE Non Sparking No Number of Sockets Noise Reduction Rating 31 dB Earplug Color Yellow Reusability Disposable Cord Options Corded Earplug Shape Bullet Earplug Material Foam Pairs Per Package 200 Series E A Rsoft Grippers Band Material Hearing Protection Vinyl Cord Color Blue Cord Material Hearing Protection Vinyl Noise Reduction Rating NRR 31 dB Insertion Method Roll Down Metal Detectable No Band Color Hearing Protection Blue Standards 31 dB CSA Class AL Dielectric No Features Electrically Insulated Earplug Packaging Bulk Box Earplug Pair Pack Type Plastic Bag Electrically Insulated Yes Band Material Vinyl Cord Material Vinyl Refill Type Bulk Refill Country of Origin United States Earplug Size L