Chain recovery device. To intercept the chain in the event of a fall. Models: MS 261 MS 261-VW MS 261 C-BE MS 261 C-Q MS 261 C-M MS 261 C-M VW MS 261 C-BM MS 261 C-MQ MS 271 MS 271 C-BE MS 291 MS 291 C-BEQ MS 291 C-BE MSA 160 T MSA 161 T MSA 300.0 MSA 300.0 C-O MSE 250 C-Q