Protect your climbing line and the tree with these durable and rope-friendly steel friction savers. Now featuring Notch’s patented Wear Safe rings that let you know when it’s time to retire. Friction savers are essential tools for climbing arborists that extend the life of your climbing line and the tree. These friction savers stand out due to the patented Wear Safe Steel Rings. These rings have the industry's first wear indicator mark for increased safety and ease of inspection. The steel rings offers a 33% wider bend radius to be more rope-friendly and are CNC turned for a smoother finish. These Friction Savers are available in 3 different lengths: 24”, 36” and 48”. DETAILS: Wear Safe rings feature the industry’s first wear indicator mark so you know when it’s time to retire. Reduce friction during your ascent Suitable for use as a false crotch Multi-Layered, fray resistant custom Nylon webbing resists twisting Bright coloration for increased visibility Rings are individually serialized and are hot forged steel construction CE Certified Meets ANSI Z133 SPECS: 1” Nylon webbing 23kN MBS Weight: 24" - .58lbs / .26kg 36" - .65lbs / .29kg 48" - .71lbs / .32kg Small Ring (28 x 52 mm) MBS: 30kN INSIDE DIAMETER: 28mm OUTSIDE DIAMETER: 52mm COMPOSITION: Sandblasted Steel Large Ring (48 x 72 mm) MBS:30kN INSIDE DIAMETER: 48mm OUTSIDE DIAMETER: 72mm COMPOSITION: Sandblasted Steel