#5 Spline x 13/16" Square - 4 Point.
CP7782-SP6 Chicago Pneumatic #5 Spline Drive Impact Wrench 1,920 Ft Lbs Torque
Grey Pneumatic 5/8 in. Flat Chisel 7 in. Long
Grey Pneumatic 5033M #5 Spline Drive 33mm Standard Impact Socket
CHICAGO PNEUMATIC 797-6 & 7640-6 #5 SPLINE 6" ANVIL PART #'s: CA052805, KF130165
Grey Pneumatic CH116 Pneumatic Rivet Cutter 6.5 In. (rivetcutter61/2"long)