This Spring Compressor is used for the R and R of both the front and rear axle springs. All parts of the AST# KL 0021 are drop-forged and requires little torque for compressing springs. The extremely safe design saves time and requires no disassembly of the wheels, shock absorbers or struts. The use of this tool requires no detaching or lowering of the rear axle (except on 201 and 124 chassis) and causes no curving of the springs. Also, the AST# KL 0021 requires no self-decompression of the springs due to the patented interlock design. Applicable to Chrysler Crossfires and Mercedes chassis 107, 116, 123, 124, 126, 129, 140, 170, 201, 202, 208 and 210 • Used for R and R of Front and Rear Axle Springs • Extremely Safe Design • Saves Time • Approved by Workman's Compensation Insurance in Germany • Single tool Fits Chrysler Crossfire and Multiple Mercedes Models