Johnson Hardware 111MD Multi-Slide 3-Door Hardware Set, 94 In. Tracks, For 3/4 In. Or Thicker Doors To 150 lbs. SPECIFICATIONS - For 3/4 thick doors with 150-pound capacity max panel weight. Track length 94" SOLID MATERIALS - Precision extruded commercial grade aluminum track. TOP HUNG - Top Mount Hanger Type. Independent Box Rail Track Type. MADE IN USA - Manufactured in the United States. <span class="a-text-bold">150lbs [68kg]</span> Max Weight Per Door <span class="a-text-bold">4-9/16&#034; [116mm]</span> Min Wall Structure Thickness* <span class="a-text-bold">3/4&#034; [19mm]</span> Min Door Thickness <span class="a-text-bold">192&#034; (16&#039;) [4877mm]</span> Max. Track Length <span class="a-text-bold">Commercial Grade</span> Top Hung Sliding Door Hardware *Wall Structure Thickness Varies With Door Thickness