Behringer TWT5150 PP Vibration Dampening Twin Beta Clamp Kit, Ribbed Bore, 304 Stainless Steel, Polypropylene Cushion, Weld On 135270 Class E Accessory Slots Yes Class E Accessory Slots Yes CSA Class E Head Protection Graphics No Graphics Hard Hat ANSI Class E CSA Type 1 Application General Purpose Accessory Mounting Options Side Slots High Visibility No Head Protection Suspension Type Ratchet (4 Point) High Visibility No Shell Material Polyethylene Venting No Shell Material Head Protection Polyethylene Hard Hat Style Cap Hard Hat Suspension 4 pt Range 40 Degrees to 230 Degrees F Minimum Operating Temperature 40 Degrees F Maximum Operating Temperature 230 Degrees F Belt Material Polybutadiene Reinforcing Cord Material Polyester Number of Bands 1 Edge Construction Raw Edge Resistance Properties Heat Resistant TCP Cover Plate Clamp Bore Style Ribbed