Kit #4 English consists of 100 general purpose light-duty coil springs manufactured to English standards. There are 10 different designs with 10 springs of each design supplied. Springs are designed to function in 3/32" to 1/4" inside diameter openings and vary in length from 2 to 4 inches overall. This is a highly versatile selection of light-duty coil springs.

BLITZPAK #4E consists of a total of 20 light-duty English springs, 2 of each design as described in Kit #4E.