High Quality Steel, Ergonomic Handle, Smooth Push Pull Action, High Precision Riveting, 100% USA Quality Control, 100% Customer Satisfaction Guarantee??Holding Capacity: 300 LBS Clamping Pressue??Material: Made of High Quality Steel??Bar Style: Smooth Push/Pull Straight line Action Clamp??Base Type: Through Hole Mount??Spindle Size: 5/16 X 1.96Made of High Quality Steel, Ergonomic Oil Resistant Handle, Smooth Push Pull Action, High Precision Riveting, 100% USA Quality Control, 100% Customer Satisfaction GuaranteeHigh Quality SteelThrough Hole MountChinaManufacturer100% Guarantee to be Free from any Manufacturing Defects. 100% Customer Satisfaction Guarantee300