3M Optime 105 - Helmet Attachable Earmuff Oilfield & Pipeline/Pipe Cutters 109" diameter shank and a

109" diameter shank and a 17/64" diameter head*

Old Hickory 7" Butcher Knife

Mic Tabs on Both Shoulders

Replacement Polyethylene Line

Control Existing splits and checks

3M Optime 105 - Helmet Attachable Earmuff Oilfield & Pipeline/Pipe Cutters 109" diameter shank and aThe 3M Optime 105 is a helmet attachable earmuff designed for hearing protection in noisy environments. The earmuffs feature a durable construction with a comfortable, padded headband and ear cushions for extended wear. They are designed to attach easily to most hard hats and helmets, providing a secure fit and excellent noise attenuation. The 3M Optime 105 earmuffs offer a Noise Reduction Rating (NRR) of 30 decibels, making them suitable for use in