Kromer zero gravity balancer 7230 - 7231 • High-strength, highly abrasion-resistant plastic • Cable drum made of hard-wearing plastic • Suspension with rotary / swiveling safety hook • Standard safety chain spring fracture safeguard • Special riveted suspension spring riveted • Stepless load adjustment via endless screw • Steel cable with elastic cable stop buffer • Screw-type spring hook for load suspension • Cable wedge for continuous cable length adjustment • Integrated cable drum lock • Quick & easy cable replacement • Certified with German 'GS' mark (safety-tested)