QUICK-ACTING RAISED SCUTTLES > IAW DWGS: 803-1401890, 803-1401891, 803-1401892 AND 803-1623058 > NOTE: 18" RAISED SCUTTLES HAVE 3 DOGS; 25" RAISED SCUTTLES HAVE 4 DOGS; 21" RAISED SCUTTLES MAY HAVE 3 OR 4 DOGS > SPECIFY WHEN ORDERING: CLEAR OPENING DIAMETER (18", 21" OR 25"), WHETHER SCUTTLE WILL BE MOUNTED IN DECK (HIGH 6" COAMING) OR IN A HATCH LID (LOW 2" COAMING), 3 OR 4 DOGS (FOR 21" SCUTTLES ONLY), AND ANY SPECIAL INSTRUCTIONS > MATERIAL: STEEL (ALTERNATE MATERIALS AVAILABLE) > STANDARD FINISH: INORGANIC ZINC AND FORMULA 150 PRIMER; FLAME (WIRE) SPRAYED ALUMINUM AVAILABLE FOR EXTERIOR SCUTTLES