90 degrees to be used for twisting screws and nuts, easy to use, suitable for all electrodes and wrenches. Sizes: Flexible corner extension tip: 11.6 x 1/4 inches. 105 Degree Right Angle Drill Attachment: 2.16 x 1.25 inch. Extensive use: can connect to drill, rechargeable drill or manual wrench, extend their reach to inaccessible stenosis, twist screws and nuts. NOTE: 105°C designs for tight spaces increase the power of a cordless screwdriver - 100 in/lbs. torque, 400 rpm. 3-in-1 set: a 105 degree right angle drill bit attachment, a 105 degree cylindrical shank electric drill extension to 1/4 inch and one 11.6 inch flexible extension bar. Number of shipments: 3 pcs.