Michigan Black Seat, Milsco V5300 High Back Suspension Seat W/Lumbar #15980 #HE Find the perfect position with 6in. slide adjustment and backrest angle adjuster 2 1/3in. vertical suspension range Weight adjustable up to 270 lbs. Lumbar supports adjust for lower back comfort Measures 18 1/2in.W x 22 1/2in.D x 23 1/2in.H