Lixada 35KN Rescue Figure 8 Descender Outdoor O-ring Hook Rappel Device for Rappelling Belaying Rock Climbing

Features:
HIGH STRENGTH FORGED ALUMINUM ALLOY: Super alloy body can bear up to 7,700lbf(35kN) force with anti-burn tab for holding the device when it is hot from a long and rapid downhill descent.
SURFACE ANODIZED OXIDATION: Not even a single chance for rust corrosion during its whole life time, which certainly should be years to come under regular use.
COMPATIBLE WITH ROPES FROM 8 TO 16MM: Fits perfectly with double 8.1 mm ropes up to 13 mm single lines. Weight only 4.78oz.
MODERN 8 DESIGN FOR SMOOTH HANDLING: To reduce twisting of the ropes and formation of a lark's head knot.
GREAT FOR ROCK CLIMBER OR SEARCH AND RESCUE PROFESSIONAL: Use Big hole to hold your main string and may use the Small hole with thin ropes if necessary, or as a belay plate.