The TB-608 is an XS Power battery installation accessory. XS Power lists it as: 600 Series Aluminum Terminal Blocks, 1/0, 8 Spots, M6/M8 Bolts, Pair. The specifications below come directly from XS Power's June 2026 distributor data. Verify voltage, group size, polarity, dimensions, and application requirements before ordering.This Listing Includes: (1) XS Power TB-608 600 Series Aluminum Terminal Blocks, 1/0, 8 Spots, M6/M8…Specifications Model TB-608 Product Type Terminals, Hardware & Hold-Downs Warranty 1-Year — view warranty (PDF) UPC 810111132565 Package Length 3.5 in. Package Width 4 in. Package Height 10 in. Package Weight 3.5 lbs. Available from JS Alternators.PROP 65 WARNING: This product can expose you to chemicals including lead and lead compounds, which are known to the State of California to cause cancer or birth defects or other reproductive harm. Wash hands after handling.For more information, visit www.P65Warnings.ca.gov.