The Gripple Trapeze fastener is a single-channel lock for use with No.3 Hangers only. Used in pairs on two Hangers, positioned underneath, they can support the span of a bearer at regular intervals. Multi-tier trapeze system to support cable tray, basket, ladder, pipe work and ducting. As many tiers as required may be installed, but the combined weight on the Hanger must not exceed the SWL of the No.3 Hanger (90kg).