Ulfhednar - UH350 - Buttplate Quick Adjustable universalThis buttplate has a rock solid aluminum mechanism that can be adjusted 30 mm vertically up and 40 mm down, using a quick release button on the side. The large wheel in the center loosens and tightens if you want to tilt the rubberized plate in either direction. This is a significant upgrade to your precision rifle! Designed to fit most rifle stocks. Distance between screwholes: 8,5 11,5 cm