Petzl Laser Ice Screw 13 cm. Strength and durability are improved due to the steel tube and specific threading. Screwing is facilitated by the excellent ergonomics of the aluminum hanger. Specifications for Petzl Laser Ice Screw: Manufacturer: Petzl Fabric/Material: Steel tube and drill aluminum hanger Weight: 4.2 oz Climbing Hardware Type: Ice Screws & Protection Application: Protection Features of Petzl Laser Ice Screw Improves bite: - optimal shape of the tri-toothed drill improves the bite into ice - very good handling and screwing speed due to the ergonomics of the aluminum hanger Strength and durability: - steel tube and specific threading - steel is treated to reduce weight and increase strength Easier sharpening with the drills patented sharpening reserve Package Contents: Petzl Laser Ice Screw Petzl G050AA00: Laser Ice Screw 13 cm