Abstract: A spring leaf including a central section having a substantially constant thickness; a first terminal section integrally connected at a first end of the central section; the first terminal section having a thickness diminishing from the first end of the central section; a second terminal section integrally connected at a second and opposite end of the central section; the second terminal section having a thickness diminishing from the second end of the central section; a plurality of upstanding shoulders on opposite sides of the spring leaf and extending at least along a portion of the opposite sides in the longitudinal direction thereof.

Abstract: A plastic spring for each end of a tubular carrier, or magazine, used to transport integrated circuits, especially ceramic IC's, to secure them against sliding or chipping within the tube is formed with a finger grip, or stop pin end and an opposite IC contacting end, the ends being joined by a plurality of integral sections of flexible, resilient elastomeric material of rhombus, or diamond, shape joined along the longitudinal center line by integral webs to form a one piece, flat, thin body of uniform outside depth and width and fitting in the space between the upper and lower parallel walls of the tubular carrier. The spring is preferably carbon conductive to avoid static build-up.