Quick-Grip 5062Qc Bar Clamps 6In, 1964720\n\nProduct Overview\n\n--Size Name: 6\""/150mm\n\nQuick-Grip Quick-Change Bar Clamp/Spreader:The original\nQuick-Change product has now been improved to provide the consumer with a\ngreater clamping hold load of up to 135 kg, plus a lockable swivel feature\nwhich enables uneven surfaces to be clamped.View larger View largerHistory of\nQuick-Grip:In 1986 Joe Sorensen, an air boat builder in Nebraska USA, was\nlooking for a better way to hold down his steel panels as the clamps he was\nusing twisted the thin steel as he worked. A year later, with a good idea for\na new style of clamping, he came to American Tools and soon became an\nemployee; working together, the concept for a pistol grip one-handed bar clamp\nwas born. This revolutionary tool was quickly patented and brought to market\nin 1989 with a full line of clamps under the Quick-Grip brand name. The line\nwas later extended from the original clamp to the Micro, Mini, Handi, Quick-\nChang