The combination of Mathey Dearman Spacing Wedges with Chain Clamps (Cage Clamps) enable better fit-up of pipe ends. The Wedges are used to give a precise weld gap. Simply move the pipe ends together, mount and tighten the chain clamp or cage clamp, and spread the gap to the desired width using the spacing wedge. The wedge portion of the Spacing Wedge is case hardened to a depth of .010" (.25mm) for long life so it will not bend or mushroom like home-made wedges, while the upper part of the Wedge is soft enough to prevent splintering.
D271 8" x 1 1/2" x 1/4" (203 mm x 38 mm x 6.4 mm)
D272 3 1/2" x 1 1/2" x 1/4" (89 mm x 38 mm x 6.4 mm)