opening 150 of first leg portion 110 and second opening 160 of second leg portion 120 are positioned at a distal end of link member 100 pivot rod 190 is received in first opening 130 of first leg portion 110 and first opening 140 of second leg portion 120 in this embodiment pivot rod 190 is welded directly to first leg portion 110 at first opening 130 it is contemplated however that pivot rod 190 may include a button head not shown at an end thereof which is instead welded to first leg portion 110 or is freestanding a second pivot rod not shown is received in second opening 150 of first leg portion 110 and second opening 160 of second leg portion 120 as well as the first openings of the first and second leg portions of an adjacent link member not shown link member 100 and pivot rod 190 can be made of any material and can be made of for example stainless steel or another metal first leg portion 110 includes a third opening 170 in which a wear component 180 is removably positioned in this embodiment third opening 170 is positioned between first opening 130 and second opening 150 in first leg portion.