General Tools Co., a Portland-based wholesaler and distributor of tools and equipment, leased the remaining 10,400 square feet of industrial space in the Prime Source Building. General Tools will use the space as a distribution and warehouse center. The 36,796-square-foot industrial building is located at 355 Treck Drive in Tukwila. Jim Kidder and Ted McCaffray of Insignia Kidder Mathews represented the tenant. Tamir Ohayon and Mike Newton of Puget Sound Properties represented the owner, 355 Associates LLC.