No need extra systematic jaw installation / removal.

High security coil spring compressor

Features adjustable safeguard that prevents accidental release of spring under load

Also enables the parts of tool used for removing to always operate in parallel

Hook engage spring which can be compressed by turning hex nut.
Heavy Duty 280mm Coil Spring Compressor Tool
Description:
Designed for quickly and safely compress the coil spring for replacement of the strut cartridge or strut assembly repair
Adjustable safeguard offers quick and safe removal or installation of springs while repairing struts, always operate in parallel
Durable drop forged Jaws constructed with heat treated steel. No need extra systematic jaw installation / removal.
Hook engage spring can be compressed by turning hex nut (19mm hex socket or wrench).
Professional use only, not intended for use with any impact drive.