Two mile, for powerboats under 12 meters (39.4'). Fold down base has a positive lock, with 205 deg. of vertical rotation. Locking knob is long-lasting combination of brass/plastic. Base is predrilled with 2 mounting holes for #10 screws. 3/4'' diameter anodized aluminum pole. Overall Ht.: 12''. 12 volt DC, 15 CP (#1004) bulb included. Meets ABYC Standard A-16 and International COLREGS requirements, Naval Ministry of Italy decree Finale Conforme AL D.M. 5.9.90. Bulk pack.