Safe - universal - inexpensive Fits all strut spring sizes - import and domestic Heavy duty clamps and bolts - for a secure hold Clam-shell Package Shipping weight - 6 lbs 3 oz This is an inexpensive and super safe strut spring compressor. Fits all strut spring sizes - import and domestic - Heavy duty clamps and bolts securely hold spring during operation - So compress your strut springs safely without going broke Not for use on coil over spring applications