Selection of 6 sizes of Cutter screws with a 25° needle point for immediate start and 2x patented slots to prevent splitting when screwing close to the edge. No need to counterbore, the distinct ribs and tucks allow self-countersinking into all timber and board materials. Reinforced collar prevents snapping and gives depth for a wide, deep pozi to be inserted, reducing "cam out". Yellow tropicalised for rust resistance. Supplied in a heavy-duty, waterproof SSC2 Crate Mate with balancing handle to distribute weight evenly for comfortable handling during transport. Stows flat when stacked for ease of use. Includes 2 spring-loaded snap locks on the sides which automatically lock cases together when placed on top of one another, which can be undertaken one handed and large internal volume offering greater storage options. 4 feet on the bottom of the case guide the top-case easily into position for a secure connection. Contents: 4 x 40 (1200), 4 x 50 (900), 5 x 50 (600), 5 x 60 (500), 5...