- 4 PC. Hook & Pick Set for Trolley - Versatile Use: Ideal for scribing, aligning, installing, and removing O-rings, seals, cotter pins, and washers. - Tray Category: #7 (280 x 187 mm) for organized storage. - Fits Drawer Size: B3 (579 x 380 mm) for easy access in tool trolleys. - Features: Designed to handle a range of tasks with precision and durability.