Nut DriversOnline Catalogue | Teddy Bear Joints | Nut Drivers | Nut Drivers Nut Driver - Straight HandleRef: Nut Driver Straight3 0 in stock.Select size Nut Driver - Straight Handle - Large (£10.10) The end slots around the bolt head or nut making it easy to tighten.SMALL - for joint size: 15-30mmMEDIUM - for joint size: 35-64mmLARGE - for joint size: 76-88mm