Genuine Heckler & Koch ambidextrous control lever kit includes left and right side control lever as well as the roll pin - everything that's needed for installation on all USP or USPC Pistols. This item can be installed on either full-size or compact pistols. The USP ambidextrous lever set has a higher profile over the compact lever set for those who prefer the standard USP profile. Easy to install, no gunsmith needed. Specifications for Heckler & Koch USP Ambidextrous Safety Lever Kit: Manufacturer: Heckler & Koch Color: Black Hand: Ambidextrous Gun Make: Heckler & Koch Gun Model: Heckler & Koch USP Package Contents: Heckler & Koch USP Ambidextrous Safety Lever Kit