The SHARPAL 194H Sharpening Angle Guide is a compact tool allowing you to maintain a consistent and accurate sharpening angle while working with whetstones and other sharpening surfaces. Its adjustable mechanism lets you set any desired angle between 15° and 45°. Additionally, the built-in bubble level and magnetic attachment keep it aligned on the blade throughout the sharpening process, making it useful for knives, chisels, gardening tools, and more. Features• Dimensions: 1.97"L x 0.98"W x 0.59"H inch• Ideal for maintaining a correct and constant sharpening angle• Sets any desired angle from 15° to 45°• Patented design to guarantee exact angle regardless of blade size and shape• Attached to knives by magnetic base for checking angle throughout entire sharpening process• Built-in lanyard hole for easy carry