The Unistik® 2 is a single use safety lancet that is great for diabetics on the go (Camping, Hunting, Vacation). Save space in your meter case – no need to carry lancets and a lancing device; Save time with fewer steps – no need to load a device every time you test; Safe, Quick, Worry-Free disposal – no need to worry about accidental needlesticks - once used, the blade is encased. This device has a 21-gage blade that has a penetration depth of 2.4mm. Side firing lever provides you with ease of use.