ASSEMBLY INSTRUCTION ITEM : 902169 STEP:1 BR It needs one person and takes about ten minutes to assemble the item. BL Bolt front leg to seat box with chair by using #5 allen wrench, #4 bolts, #1 lock washer, #2 flat washer and only hand tighten. Repeat for back leg. 2 1 4 5 A STEP:2 C Assembly back leg to chair back by using #5 allen wrench, #3 bolts, #1 lock washer,#2 flat washer and only hand tighten. Repeat for front leg.