Home Tops & Covers Bimini Top Accessories Stainless Steel Top Caps with Set Screw (Fits 1” Tube) Marpac Stainless Steel Top Caps with Set Screw (Fits 1” Tube) $11.69 Stainless Steel Top Caps with Set Screw (Fits 1” Tube) quantity Add to cart Product Details Product Details Fits 1″ Tube. Stainless Steel. Sold Each.