Aluminum shelf standard Easy to cut to desired length Thin profile (3 mm, 1/8") suitable for surface mount Screw hole located every 120 mm (4-23/32") New slot shape to prevent shelf support from falling off Special screw with silver finish available. (AP-SC3-16) Screws and accessories sold separatelyWARNING: This product can expose you to lead, 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.