Bar Clamps Fast and easy to operate with one hand only, increasing speed of operation. Can be changed into a spreader in seconds without the need of additional tools. The high tech resin body is stronger than steel and temperature resistant, yet lightweight and easy to use. 495160 Model 506QC 512QC 518QC 524QC 536QC 550QC Capacity (mm) 152 305 457 610 915 1270 Price Each (in) 6 12 18 24 36 50 Order Code 138-9247 138-9249 138-9250 138-9251 138-9252 138-9253