The modelcraft scalpel handle balances comfort with precision cutting with a soft handle to reduce the stress on your wristsperfect for using with paper card and other thin materials this blades pack is a great crafting essential thats sturdy easy to hold and designed to be held easily in your hand right handed onlyyour blades slide into the bottom of the handle easily and can be swopped out for a variety of sizes to give you optimum comfort throughout your projectblades not includedha