Works on 11-13 mm climbing ropes and on sheathed flexible steel cables like the Flex Fly

Tunnel Rings are made of aluminum machined in the solid

Black rigid plastic blade cover is included

Lower holes for connecting a lanyard and installing a foot loop with a quick link

Specifications: Length: 190mm Weight: 270g

Protos Integral Arborist Safety Helmet Product Type_Fuel Containers & Lubricants Works on 11-13 mm climbingThe Protos Integral Arborist Helmet is a lightweight, comfortable, full coverage helmet for all arboriculture work. Protos (named after the ancient Greek word for "the first") is a premier head protection brand created in Vorarlberg, Austria, by the equipment manufacturer Pfanner. Designed originally for forestry and arborist work, it is widely considered one of the safest, most ergonomic helmet systems available. Key Features All In One Integration: