The 24BX-3-19-3-R from Calmark Birtcher is Lok-Tainer for board thickness 2.39mm (.094"). This Lok-Tainer has length of 241.3mm (9.5") and left hand lever action. The 24BX-3-19-3-R is made of beryllium copper, 1/4H per ASTM-B-194 and has cadmium per QQ-P-416, Type 2, Class 2 finish. For sheet metal applications.