Keep your pencils sharp and ready to use with this Helix desktop sharpener. This clever sharpener features 5 settings for various lead sharpness. You can sharpen standard and maxi pencils as well. Easy to use this sharpener features an anti-slip base and a crank handle to operate it.. Desk clamp included . Sharpens standard and maxi pencils . 5 settings for various lead sharpness . Durable sharpening mechanism and quick release for broken leads . Easy to operate using the crank handle . Anti-slip base. Desk clamp included