r2f14s-hu Penn union r2f14s stud 1/4 600 volt #6 str-sol ring terminal non insulated r2f-14s - copper penn-crimp with brazed seam for copper wire one piece, annealed, pure electrolytic copper construction electro-tin plated for corrosion resistance deep internal serrations promote firm wire grip for maximum tensile strength inspection hole permits quick examination of the crimp generous entrance chamfer provides easy wire insertion brazed seam - our unique process bonds the seam to assure the maximum strength in wire termination. allows for crimping anywhere on the barrel circumfrence. exceeds all ul and csa requirements high quality connection conductor type conductor range copper 6 stud size : 1/4 stock size (in.): .050 ul listing: cu approximate dimensions a (in.): 1.11 b (in.): .375 c (in.): .50 id (in.): .224 m (in.): .88 w (in.): .47