https://www.ebay.com/sch/i.html?_nkw=3M+Mc4+0+38Rx+Ring+Terminal+Purple+Brazed+4+Awg+Pk60&_sacat=0&_dmd=2

3M Mc4/0-38Rx Ring Terminal, Purple, Brazed, 4, Awg, Pk60

Regular price
$337.00
Sale price
$239.00

One-Hole Lug Compression Connector, Connector Type Straight Barrel, Cable Size 4/0 AWG, Tongue Style Ring, Color Code Purple, Die Code 15, Length 2.35 In, Barrel Length Short, Material Copper, Plate Material Tin, Stud Size 3/8 In, Width 1.00 In, Peep Hole No, Standards UL Listed, CSA Certified, Package Quantity 60