The Trakker Quicklock Butt Rest is a neat and functional accessory that offers incredible grip for your rod. It features interchangeable arms; simply remove the pin and swap the arms to securely grip abbreviated handles or cork and duplon grips. It comes complete with a Torque Ring for perfect alignment. - Dimensions: Approx 4 (H) cm (not including thread) - Weight: Approx 18g - Material: GRP