The Exacompta Guildhall spiral pocket file is made from durable 315gsm manilla and can hold up to 180 sheets of 80gsm A4 or foolscap paper. The file also features a secure spiral mechanism for punched papers and a useful pocket on the inside cover for storage of additional loose sheets.. Features. Clip attachment mechanism. Yes. Maximum document thickness. 3.8 cm. Media weight. 315 g/m². Maximum capacity. 380 sheets. Product colour. Beige. Weight & dimensions. Width. 300 mm