Large handles for comfort and control. Sacrificial pieces (not included) can be attached to the clamp faces to prevent blow-out. Abrasive clamp faces prevent material from slipping. Maximum capacity: 214mm (8-1/2″). For router table use with a bearing guided bit. Large handles for comfort and control. Sacrificial pieces (not included) can be attached to the clamp faces to prevent blow-out. Abrasive clamp faces prevent material from slipping. Maximum capacity: 214mm (8-1/2″). For router table use with a bearing guided bit.