The diameter of the Beal Top Gun II has been the climbing standard since the 80s. Super durable and strong, the Top Gun II is a solid choice for traditional climbing, sport climbing and top-roping. Beal's Gloden Dry is a double dry treatment that prevents water from being absorbed from the inside out. Beal's exclusive DryCoVer treatment is permanent sheath protection from water and increased protection from wear. 48 bobbins make for a thinner sheath offering excellent handling. Black limit halfway marker is permanent making safer rappels and lowering. Each rope bag has a foldout ground cloth to protect from dirt ingression.