PTFE stopcock key with silicone ‘O’ ring and PP retaining device, PTFE keys are fully interchangeable, Keys are self lubricating, avoiding the need for stopcock … Read More
PTFE stopcock key with silicone 'O' ring and PP retaining device, PTFE keys are fully interchangeable, Keys are self lubricating, avoiding the need for stopcock grease, Keys have a 1:10 taper to accurately fit the relevant glass stopcock barrel