Valve Spring Compressor Tool Kit with Valve Lapping Tools, Fitting Valve retainers 0.2" to 0.3" and 0.3" to 0.4" Tri Clamp it must be replaced by

it must be replaced by the manufacturer or its service agent

Specifications: Inner Chamber

Push the safety button while lowering the blade handle

Max Pressure: 90PSI

Check it Regularly for aging

Valve Spring Compressor Tool Kit with Valve Lapping Tools, Fitting Valve retainers 0.2" to 0.3" and 0.3" to 0.4" Tri Clamp it must be replaced by[Packing List]: The tool set includes Valve Keeper Tools*2, Valve Keeper Adapter*1, Valve Lapping Tools*2, Storage Case*1. [Compatibility]: This valve spring compressor tool kit is suitable for valve retainers 0. 2" to 0. 3" and 0. 3" to 0. 4" (4. 5 to 7. 5 and 7. 9 to 9. 5 mm) wide on a variety of gas and diesel overhead engines. [Product Feature]: The valve keeper removal tool has a built in magnet that can firmly fix the parts during operation,