GBS Battery Lugs

Open crimp style: 

GBS-F, for 8AWG and smaller - 31mm long x 1mm thick
GBS-E1, for up to 2/0AWG - 40mm long x 1mm thick
GBS-E2, for up to 1/0AWG  - 40mm long x 2mm thick
GBS-K, for up to 2/0AWG - 51mm long x 3mm thick

Closed barrel style:

GBS-E3, for 4AWG - 50mm long x 2mm thick
GBS-EE4, for 2/0AWG - 65mm long x 2.75mm thick
GBS-E5, for 2/0AWG - 86mm long x 2.5mm thick

Universal Adapter:

GBS-G, allows connection from the GBS cell terminal to a standard single hole battery lug - 66mm x .5mm thick