PGT109 is a combination spanner manufactured by PG Tools that is 17mm in size and constructed from chromium-vanadium steel with a satin finish. It has a universal head for either standard or metric nuts and bolts, and can also be used with a ratchet wrench or driver. The tool also features a non-slip grip for comfort and increased accuracy when tightening or loosening fasteners. The PGT109 is suitable for work involving engines, furniture, appliances, plumbing, small machinery, and other outdoor activities.