Specification: Dimension: 48(L)x38(D)x27(H)mm Aluminum Z-Style and stainless steel screws
Made of rust-free anodized aluminum alloy, bolts, nuts and washers are stainless steel. 1/4" diameter stainless steel bolts (1/2" long), lock stainless steel nuts. Maintenance Free & Easy Installation. Solar Panel Z-Bracket Mounting Kit makes it easy to mount solar panels to RV's, boats, cabins or anywhere else where you need a simple yet reliable method to mount solar panels.