3M DBI-SALA Rollgliss Technical Rescue, No worries 8700084 Descender, Goldtail, 5 Hole, Fits 3/8"-5/8" Rope, Gold A manual control descender that is designed to allow for varying levels of friction to control the individuals descent Ideal for use during multiple lowering scenarios as re-rigging is not required, simply turn the unit upside down and it is ready for us Strong and versatile descender for use in lowering systems or belaying, ideal for multi pitch search and rescue applications or general industrial descents, the simple friction design eliminates moving parts and possible jamming in harsh environments An anchor point at each end of the unit provide maximum flexibility when rigging the device Friction can be varied by increasing or decreasing the number of slots the rope goes through, simply wind the rope through the appropriate number of slots NoWorries goldtail, descender, 5 hole