Lakesport seat mounts 2-3/8 inch non locking a/n aluminum, with friction control, 3deg; tilt, abyc code an, installed height.625 inch, bulk packaging features all lakesport™ hardware is engineered to exceed abyc standardstype a/operator models lead the industry with these features, ergonomic positive locking handles with stainless steel components "j slot" locking channels (on adjustable height models) are the safest manual adjustment. all models are reinforced for strength: all lakesport™ posts are swaged and welded to the bases bases have underside ribs for superior strength. FeaturesErgonomic positive-locking handles with stainless steel componentsSpecifications Size: 2.37" Material: Stainless Steel Dimension: 4 x 7 x 7 in. Weight: 1.67 lbs