Soft-down stay for (DOWNWARD-OPENING FLAP DOORS) used with piano, butt, or drop hinge (SDH-001, SDH-P, P.238) Easy to install by aligning the body to the edge of a cabinet Designed for smaller cabinet doors in media centers or TV consoles Opening speed adjustable. The adjustment screw located on back for clean appearance Easy to close Holds lid in closed position Torque Calculation:Torque = Door Height 1/2 Door Weight L-Type (Light Duty): 10.2~20.4 kgcm (8.8~17.7 lbsin) M-Type (Medium Duty): 20.4~30.6 kgcm (17.7~26.6 lbsin) H-Type (Heavy Duty): 30.6~40.8 kgcm (26.6~35.4 lbsin)WARNING: This product can expose you to chemicals including Bisphenol A (BPA), which is known to the State of California to cause birth defects or other reproductive harm. For more information go to www.P65WARNINGs.ca.govWARNING: This product can expose you to chemicals including nickel and chromium, which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65WARNINGs.ca.gov.