Kit #3 consists of 150 general purpose miniature coil-type springs. There are 15 different spring designs with 10 springs of each design supplied. Springs are designed to function in 1/16" to 1/8" and 1.5mm to 3.5mm inside diameters. Springs vary from 1/2" to 1-1/2" in overall length. Fitting of springs is required. This is a highly useful assortment to have on hand.

BLITZPAK #3 consists of a total of 30 miniature coil springs, 2 of each design as described in Kit #3 .