Specifications: Strong double-sided adhesive, effectively and firmly adhered to the bed frame. High-quality stainless steel and alloy material, effectively protects the wall surface and keeps the bed sturdy. Can be used for bed, cabinet, chair, sofa, and other objects placed against the wall. Item Name: Bed Frame Anti-shake Tool Material: Stainless Steel, Alloy Features: Durable, Easy to Install, Wall Protection Tool Quantity: 2 Pieces per Set Adjustable Size: S: 30mm - 38mm / 1.18" - 1.49" M: 38mm - 46mm / 1.49" - 1.81" L: 46mm - 56mm / 1.81" - 2.20" XL: 56mm - 76mm / 2.20" - 2.99" XXL: 75mm - 93mm / 2.95" - 3.66" XXXL: 93mm - 120mm / 3.66" - 4.72" (Approximate) Notes: Due to lighting and screen setting differences, the item color may be slightly different from the pictures. Please allow slight dimension differences due to manual measurement. Package Includes: 2 x Bed Frame Anti-shake Tools