Description Do you need a durable Fix Sinking Office Chair Saver? If so, take a look at this Fix Sinking Office Chair. Using stainless steel and rubber materials, which are durable and stable. The unique design and exquisite craftsmanship ensure its popularity and practicality. Features -Color:Silver -Material:Stainless steel, rubber -Size(wrench):8.70X3.20X0.70cm/3.42X1.26X0.28in -Size(chair fixing tool):6.50X3.20X2.80cm/2.55X1.26X1.10in -Note: Inner Diameter:25-28MM -When your office chair starts to slowly sink down for a long time use, you can fix your office chair without replace or buy new chair. -Experience stability and comfort even during extended work hours with these fixed sinking office chairs. -Office chair stopper for stop seat go down, can control the height of the seat, prevent seat sinking. -Fine workmanship and creative appearance ensure its popularity and practicality. -Chair clamps stop sinking: this office chair repair tool can prevent chair sinking anymore, and provide you a comfortable usage experience. Package list: 1 x wrench 1 x chair fixing tool