Baiardo excellent base lock suitable for both Baiardo stringing machines models, fast and easy to operate, easy to maintain and replace, might be suitable to other machines with some work at the bottom runner plate of this base lock. The Baiardo base lock take only the Baiardo unique swivel clamp, drop release fast operation. Weight 1000 grams, very solid and durable base lock. Wilson part number WRZ 748500. Five years guarantee.