The Never Let Go spanner tethering kit is an effective, simple and very useable method for tethering a spanner (or similar parallel-sided shaped tools). It includes NLG tether ring in medium size and extended bungee tool lanyard. The tether ring allows free movement of the lanyard up and down the length of the tool with minimal restriction to its use.
1kg weight capacity for ring 5KG weight capacity for bungee lanyard