LAB LICCB Annex Interchangeable Core Lock Tool. Pinning block used for keying and masterkeying small format Best style interchangeable core lock cylinders. Can also be used to decode cylinders with a slide out center that holds all the pins and springs without spillage. Includes capping tool and pin stack evictor tool. Stainless steel Annex measures 3" H x 1 1/4" W x 1 1/8" D.