Handy grab pack containing 4 x Stick-Tite bits and Screw-Tite 2 Multi-Purpose Screws. Stick-Tite bits, with one-handed use, grab tight and work with standard PZ bits: ideal for hard to reach places. Dowel ream reduces splitting and allows screwing close to edge. Tri-Lock thread for fast insertion, reduced torque and a locked fix. Twin-thread tip offers an immediate, fast start whilst the coarse single thread provides a solid fix without reaming. Contents: 3.5 x 16 (200), 3.5 x 20 (200), 3.5 x 30 (180), 4 x 40 (90), 4 x 50 (70), 5 x 50 (50), 5 x 70 (40), 5 x 80mm (70) and Stick-Tite bits (4). Double Self-Countersunk with Underhead Ribs Carbon Steel Construction Net-Coat Yellow-Plated Wax-Coated TS Thread System Offers a Single & Twin Thread in One, Gripping Fast with a Firm Fix Fully & Partially Threaded Lengths Contents: 3.5 x 16 (200), 3.5 x 20 (200), 3.5 x 30 (180), 4 x 40 (90), 4 x 50 (70), 5 x 50 (50), 5 x 70 (40), 5 x 80mm (70) and Stick-Tite bits (4). Double Self-Countersunk w...