Monster Fastener Zinc Plated Class 8 Steel Coarse Thread Finished Hex Nuts Size:12mm-1.75 (15 pcs) These banded earplugs have a

These banded earplugs have a Noise Reduction Rating (NRR) of up to 25 when in an over-the-head orientation to protect users against hazardous to protect you against hazardous noise

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Ideal for tough applications and provide up to 10X life vs

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Monster Fastener Zinc Plated Class 8 Steel Coarse Thread Finished Hex Nuts Size:12mm-1.75 (15 pcs) These banded earplugs have aHex nuts are used to secure and fasten the threaded portion of most machine screws and bolts. Diameter: 12mm Diameter 2: 21mm Thickness: 10mm Material: Steel Finish: Zinc Driver Type: #19 Wrench Thread Size: 1. 75mm (Coarse) Hardness: Class 8 Type: Hex Nut Specifications: DIN 934 Diameter: 12mm Diameter 2: 21mm Thickness: 10mm Material: Steel Finish: Zinc Driver Type: #19 Wrench Thread Size: 1. 75mm (Coarse) Hardness: Class 8 Type: Hex Nut