Panduit PV6-14R-X Ring Terminal, Large Wire, Vinyl Insulated, 6 AWG Wire Range, 1/4" Stud Size, Blue, 0.05" Stock Thickness, 0.340" Max Insulation, 0.47" Terminal Width, 1.65" Terminal Length, 0.27" Center Hole Diameter (Pack of 10) Ring tongue design assures a secure connection in high vibration applications Insulation support helps to prevent wire damage in bending applications Brazed seam protects terminal barrel from splitting during the crimp process Internal barrel serrations assure good wire contact and maximum tensile strength UL Flammability UL 94V-0, maximum insulation temperature 221F (105C)