Hardened carbon steel spring compressors for fitting and removing shock absorbers. Electroplated rust-resistant black phosphate finish. Sliding and threaded jaws for quick positioning. Coarse thread prevents stripping. 1/2″ drive or 21mm hex compatible. 300mm capacity. Hardened carbon steel spring compressors for fitting and removing shock absorbers. Electroplated rust-resistant black phosphate finish. Sliding and threaded jaws for quick positioning. Coarse thread prevents stripping. 1/2″ drive or 21mm hex compatible. 300mm capacity.