The chisel sharpener is crafted from durable cast aluminum with a full anti-rust coating for long-lasting use. The honing guide adjusts to fit scissors (3mm-47mm) and flat irons (34mm-79mm) by turning the screw cap. Fine-tune sharpening angles by adjusting tool projection: 30mm for 30�� and 40mm for 25�� on chisels 38mm for 30�� and 50mm for 25�� on flat irons. Its bearing wheel ensures smooth operation, and the precision-ground working face delivers accurate edge sharpening. Compatible with wood chisels, planers, blades, carving knives, and more. Works effectively on oil and water stones. xxHow to Use:xx 1. Loosen the screw cap, secure the tool, adjust the angle, and note measurements. 2. Tighten the cap and slide the blade over a whetstone until sharp. xxFeatures:xx - Adjustable sharpening angles for versatile use. - Sturdy cast aluminum construction with rust-resistant coating. - Suitable for various tools and sharpening stones.