The Preston Offbox 36 Cross Arm has been designed for use with your keepnets, pole socks and bait waiters. Fitted with a quick release insert block, the cross arm can be rotated into any position and enables anglers to quickly remove and attach accessories.90-degree arm with a multitude of usesComes with a quick release insertCross arm can be rotated into any positionEnables anglers to quickly remove and attach accessories Designed for use with keepnets, pole socks and bait waitersUse on a variety of seat box legsInserts supplied: 30mm Round, 25mm Round, 23mm OnBoxSize: Large