CSI-268 (Six-Ounce Tension Clamp )
The CSI Six-Ounce Tension Clamp is used for evaluating the breaking strength and elongation of woven cloth and other materials such as non-woven cloth and coated cloth as specified in the materials specification.

This device includes:

Stainless Steel upper and lower platens
Swing-away clamp with a spring load
Grip: 4 inch long by .25 inch wide

Reference:
FTMS 191-5100