Installs%20on%20the%20crosshead%20in%20a%20matter%20of%20seconds%20by%20one%20person%20instead%20of%20several%20minutes%20and%20two%20people%20as%20the%20factory%20puller%20requires.%26nbsp%3B%0ARemoves%20the%20crosshead%20at%20a%20fraction%20of%20the%20price%20of%20the%20factory%20tool.Made%20from%206061%20aluminum%20so%20it%20will%20not%20leave%20any%20marks%20on%20the%20crosshead.