Wright Tool 9417 12 Point Reversible Ratcheting Box Wrench, 9mm x 10mm Size 9 x 10-Millimeter weight 0.17 Nominal size 9 x 10-Millimeter length 139.70 Reserve of strength for tough jobs Distributing stress evenly over a larger contact area and away from the fastener corners Features the patented Wright Drive and Wright Grip, which provides more torque with less fastener damage Size 9 x 10mm weight 0.17 Nominal size 9 x 10mm length 139.70 Reserve of strength for tough jobs Distributing stress evenly over a larger contact area and away from the fastener corners Features the patented Wright Drive and Wright Grip, which provides more torque with less fastener damage