Seachoice Door Button 1-3/4" Chrome 50-35951 by Seachoice $17.14 1 2 3 4 5 6 7 8 9 10+ Quantity Quantity Add to cart Seachoice Door Button #50-35951 Size: 1-3/4". Made of zinc with a chrome plated finish. Black plastic knob and phosphor bronze tension spring. # 6 Fasteners.