This is an Ara rod holder. The rod angle can be adjusted to 7 different levels. The rod rest part swings and has a built-in spring. The position can be adjusted forward and backward by changing the bolt. Also, the height can be adjusted to 2 levels by changing the mounting bolts of the butt box. Butt box size: Front: 58 x 40 mm Rear: 58 x 30 mm Depth: 59 mm The pin holes for the butt rope are 9mm holes located 20mm and 35mm from the front. A rod keeper can be attached by removing the box. 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. Please check the butt box size before purchasing.