Provides the operator with nut-turning power that requires only a fraction of the force required when using conventional tools. Input and output rotation is in the same direction. Reaction bar rotation is opposite to input direction and must rest securely against a rigid object to withstand the generated reaction force. By removing 4 screws, heads may be easily disassembled for inspection, cleanning and lubrication.Country of Origin: USDownload Snap-on Catalog PDF File (Page 106)