Frame manufactured from pressed steel, hardened & tempered for total strength. Positive spring action holds rivets securely in place. Supplied with 3 colour coded interchangeable nose bushes to accept 3.15mm (1/8"), 4mm (5/32") & 4.8mm (3/16"). Rivets & bushes colour coded to aid correct rivet selection. Moulded comfort anti-slip handles. SPECIFICATION: Size:260 mm / 101/4".