The best designed 4-coil system on the market. The double torsion springs are made from the highest quality music wire available. The spring pin is made from high tensile steel and will not bend. Heavy spring lock included. Kit #3 fits #1-1/2 Victor, #1-1/2 Victor Soft catch, #1-1/2 Duke, #1-1/2 Bridger, #1-1/2 Blake & Lamb. 1 trap per kit