Popular home and professional workshop item44 providing a set of all popular allen wrenchesincludes 244 2544 344 444 544 644 844 and 10 mm sizesbondhus balldriver tip on the long arm except on 8 mm and 10 mm sizes allows access to awkwardly placed boltsspeed bearing system on 344 444 544 644 and 8 mm allows quick fitting of boltssuper strong 8650 cr vn tool steelholder features tapered holes for easy location