These marine grade battery terminal adaptors (BTA) screw onto SAE top posts and enable you to connect terminals that support M6 (1/4in) or M8 (5/16in) threads. Made from forged and machined brass for optimal power transfer, chrome plated for superior corrosion resistance, and knurled edges that help you tighten the terminal for a secure connection.

• Supplied as a positive and negative colour-coded pair
• Satin chrome plated finish
• Corrosion resistant

Two sizes available:
M6 1/4in: HC4070
M8 5/16in: HC4072

Dimensions:
Thread: 21(L)mm 
Overall: 47(L) x 22(Dia.)mm