These butt splices from TE Connectivity are from their Solistrand range and are non-insulated. * Product type: Splice * Contact plating: Tin * Wire size (AWG): 4 * Wire size (mm²): 21 * Material thickness: 1.85mm [.073 in ] * Wire size (CMA): 33100 - 52600 * Weight per piece (g): 16.612 * Barrel inside diameter: 7.52mm [.296 in ] * Splice material: Copper * Splice type: Butt Splice * Outside diameter: 11.76mm [.463 in ] * Packaging quantity: 1 * Mftrs part no. 34323 https://elecena.pl/product/27175956/te-34323-solistrand-butt-splice-standard-tin-4awg 2024-11-08 https://elecena.pl/product/27175956/te-34323-solistrand-butt-splice-standard-tin-4awg 2025-09-10 https://elecena.pl/product/27175956/te-34323-solistrand-butt-splice-standard-tin-4awg 2026-05-17 https://elecena.pl/product/27175956/te-34323-solistrand-butt-splice-standard-tin-4awg 2026-06-08 https://elecena.pl/product/27175956/te-34323-solistrand-butt-splice-standard-tin-4awg 2026-07-01 https://elecena.pl/product/27175956/te-34323-solistrand-butt-splice-standard-tin-4awg 2026-07-25 https://elecena.pl/product/27175956/te-34323-solistrand-butt-splice-standard-tin-4awg 2026-08-17