Protex has extended its range of medium duty products with the introduction of the Type 33 fastener series. Suitable for a wide range of re-sealable applications, the new stainless steel, zinc plated mild steel latches are offered with a choice of three grip lengths. They are all designed for use with Protex type 01-502, 02-502 or 03-502 catchplates, and provide an ultimate strength of 440kgf. These new low profile fasteners are available with two types of optional sealing pins or a side action safety catch.