57-GLASSES Bosch Red Laser View Enhancing Glasses For Red Lines and Rotary Lasers 57-GLASSES Bosch Red Laser View Enhancing Glasses For Red Lines and Rotary Lasers features improved visibility of red laser beams under bright conditions or over long distances and adjustable temple allows glasses to comfortably fit most. 57-GLASSES Bosch Red Laser View Enhancing Glasses For Red Lines and Rotary Lasers can be used with all Bosch measuring, layout and leveling laser tools which have a red-beam and are greatly used with rotary or straight-line laser tools which project a visible red-beam.