This is an ara rod holder. The rod angle can be adjusted to 7 different levels. The rod rest swings and has a built-in spring. The stone-butt box size is: Front: 58 x 40 mm Rear: 58 x 30 mm Depth: 59 mm The pin holes for the butt end are 9mm holes located 20mm and 40mm from the front. The box can be removed. The height can be adjusted to two levels by changing the bolts. The anchor bolt hole diameter is 13mm. Total length: 370mm Weight: 2.7 kg The person in the photo on the rod weighs 70 kg. The rod is a Daiwa Carbon Whisker Senkaku 100-gou 484. The rod, reel, and rod keeper are not included.