Common Mode Noise Filter – Coax +3 Side or Top Stud Kit - 1/4-20 Stainless Steel SSK-1/4-1 $3.95 In stock Quantity: 1 Add to Bag Product Details Stainless Stud Kit: Side Stud-1/4-1 1/2" (1), 1/4" x 7/16 nut (1), 1/4" x 5/8" washer (4), 1/4" Ring Solder Lug (1), 1/4" Wing Nut (1), 1/4" Star Washer (2). All Stainless Steel Same parts we use on all of our baluns, ununs, & chokes. Save this product for later Favorite Typical user comment: The filter was quite effective. Was surprised that it actually reduced the noise level more than the signal so S+N/N improved by 1.9 S units. Bill