SWAROVSKI OPTIK FRR-42 Forehead Rest EL Range for TA 42 Binoculars with Comfortable Design (Black)The SWAROVSKI OPTIK FRR 42 Forehead Rest EL Range in Black is available as an accessory for your EL Range binoculars. It provides a stable three point support to ensure maximum stability and comfort when observing for extended periods. The forehead rest can be adjusted so that your gaze is lined up perfectly. It is mounted on the battery cover. The variant FRR 42 is compatible for the EL Range TA 42 models.