This Standard provides dimensions and functional characteristics oflocking clamp pliers and tubing pinch-off pliers suitable forclamping operations in assembly and repair work. Tubing pinch-offpliers are used to pinch off the flow of gas or other materialflowing through rubber or soft copper tubing. Inclusion ofdimensional and functional data in this Standard is not intended toimply that all products described herein are stock productionsizes. Consumers are requested to consult with manufacturersconcerning lists of stock production sizes.