Eaton Ground bar kit with 21 terminals, is suitable for use with BR and CH Series loadcenters. Ground bar has length of 9.19-inches and an aluminum/copper... Eaton Ground bar kit with 21 terminals, is suitable for use with BR and CH Series loadcenters. EATON, BR Loadcenters and Circuit Breaker, 21 Terminals, Ground Bar Kit Eaton Grounding Bar Kit GBK1020 Used With BR And CH Series Loadcenters Ground Bar Kit Fits SOPRANO Ukuleles, standard and pineapple size ONLY (up to 21.5 inch long). · Exterior made of heavy duty 700D Oxford Nylon fabric with 15mm padding