At 75kg the monster slide hammer from power tec is the heaviest of it39s kind on the market today complete with various attachments for heavy repair work and controlled hammering included in the kit is straight amp off set 600mm long hammer extensions with 3 sizes of hammer heads allowing for work in hard to reach areas also included are 5 sizes of heavy duty hook straight and curved lip pullers flexible connector and chain hook up plate for use with any pulling system