Women's V-neck black Martin logo white T-shirt, M
Women's V-neck black Martin logo white T-shirt, S
T-shirt Black Script logo, Granite Heather, L
T-shirt Black Script logo, Granite Heather, M
Black Script logo T-shirt, Granite Heather, XL
T-shirt + Cap pack, grey and blue, L
This is probably the diameter measurement of the string in inches, commonly referred to as "gauge" or "gauge". An electric bass string with a diameter of .0102 inches is quite thin and would be considered a light gauge bass string. Light gauge strings are often used for easier playability and faster response, but they can also sound less rich and powerful than thicker gauge strings.