United 50lb Screw Action Grips. Can accommodate testing samples up to 50 lbf. (220N). Screw-Action grips operate similar to a vice clamp and are designed for gripping various strip or sheet materials such as paper, foam, textiles and lighter metals. Moveable inserts close completely to accommodate samples from 0” to ½”. Also ideal for gripping lap shear specimens with offset ends. The 10-pound and 200-pound capacity grips have knurled open/close knobs while the 1000-pound capacity grip utilizes a T-handle for added closing pressure.

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