1. Made of high-quality stainless steel, durable and practical, use double-edged blade in half or single-edged blade2. Great for thinning hairline, trimming beard, goatee and eyebrows3. Professional quality, suitable for barber shop use or use at home4. The rounded exposure at the end of the blade compartment minimizes cuts when shaving or beard trimmingSnap/lock blade holder works with blade to ensure safe insertion of blade