Wide friction range for ropes from 6-13mm. Rubber insert to fit tight on your carabiner. Only 49 gm.

Weight: 1.7 oz (49 gm)
Height: 2.96” (75 mm) Width: 3.05” (78 mm) Max Rope Dia. (Single Rope): 13 mm
Max Rope Dia. (Double Rope): 10.5 mm
Breaking Strength: 14 kN