Seamax Stainless Steel Deck Mount Kit for Bimini, Mount Dimensions: L 2-3/8" x W &frac34;" x H 1-7/16" This Deck Mounting Kit is for the Bimini installation on the rigid boat flat surface, such as for aluminum boat or fiberglass boat. Deck Mount Dimensions: L 2-3/8 x W  x H 1-7/16. This kit includes: 4 x Stainless Steel Bimini Top Mounts, install dimension 60mm x 18mm, holes distance - center to center 40mm, height 38mm; 4 x Stainless Steel Mounting Quick Leased Lock Pin; 4 x Stainless Steel C-Mounts for Straps of Bimini; Stainless screws & spare parts. The stainless bracket can support the Bimini weight up to 200Lbs and 30 knots wind speed.