XD Top MountFor use on sport fishing boats up to 40 feet.Features:Unique invertible Tigress handle design for use on both soft and hard tops over 2" thickAccepts all Tigress XD 1-1/2" butt diameter outriggers and XD 1-1/8" butts using adapterFits Tigress and other industry standard 4" x 6" mounting plates (four 5/16" diameter fasteners)Extreme-duty 316 Stainless Steel and anodized aluminum and sealed construction with UV protection24 adjustable/locking system positions (15Adeg increments) featuring Tigress XD 316 Stainless Steel design19 upper-arm angle/locking positions (10Adeg increments) using Tigress XD 316 Stainless Steel detent design with ambidextrous horizontal stopsTigress XD 316 Stainless Steel detent design with ambidextrous horizontal stopsLarge 3-lobe UV ergonomic knob with integral detent feature when changing outrigger elevationErgonomic 316 Stainless Steel mirror-polished lever design with inverting ability for extra hand clearance on the thickest tops.User friendly underside lever actuation, with 8 optional indexable set-up positionsStandard A 1/4" diameter locking stainless steel push-in-pin for outriggersFits through all standard 3" diameter mounting plates and hard top holesSold as pair3-Year Limited Warranty