PYREX? SPARE PTFE STOPCOCK KEY, 2.5mm T-BORE, 14.5mm DIAMETER
PYREX? SPARE PTFE STOPCOCK KEY, 2.5mm T-BORE, 14.5mm DIAMETER
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



