Allen 30mm Single Block with Fiddle & Swivel Select (See Table Below):AL-2039-F 30MM DYNAMIC: SINGLE FIDDLE/SW - EACH It allows PowerControl and PowerAssist

It allows PowerControl and PowerAssist current limit setting for two AC sources

Evinrude Johnson OMC Engine Part SCREW LOCK 10ML 0500416 500416

Type 41518 can be mounted above the gooseneck or can be used at the stemhead to accept a jib tack

ON indication and overcurrent protection

white and signal green

Allen 30mm Single Block with Fiddle & Swivel Select (See Table Below):AL-2039-F 30MM DYNAMIC: SINGLE FIDDLE/SW - EACH It allows PowerControl and PowerAssist30mm Single block with fiddle and swivel. With the Allen dynamic ball bearing technology at the heart of this block, the line friendly soft contours allowing articulation and stainless steel cheeks, the 30mm dynamic block will easily handle maximum loads and give unrivalled performance. Line friendly soft contours and articulation, Stainless steel cheeks and inner bearing systems handle maximum loads, Central hole for tie on becket. Spec Sheet Part