The Rocker can be fitted to the rope at any point. It can be used hands-free, when travelling up and down the rope. The Rocker has been designed for use without a Shock-absorber. The Rocker can also be used as a Rope Adjuster on a Work Positioning Lanyard or Flip-line (in accordance with EN358). The Thumb-catch allow the Rocker to be 'parked'ón the rope, for Work Positioning or use as a Rope Access back-up device. The Rocker is fitted with non-aggressive 'rope friendly' cam faces. Length: 122mm Width: 65mm Thickness: 22mm Features: A hand sized safety back up rope lock for rescue, rope access and intervention. Material: High strength aluminium. Minimum breaking load: Dependent on type and dimeter of rope.? Finish: Anodised Quality: 100% inspected supplied with test certification Weight: 170g Approved Standards: CE EN353-2; CE EN358; CE EN12841-A