Comparison : Item # DWG#U-5371, Wall Auger Bit Vee Bottom, length 0.895 / 0.905 in
Item # DWG#U-5371-.800LG, Wall Auger Bit Vee Bottom, length 0.795 / 0.805 in
Item # DWG#U5371-.825LG, Wall Auger Bit Vee Bottom, length 0.820 / 0.830 in
Item # DWG#U-5371-.835LG, Wall Auger Bit Vee Bottom, length 0.830 / 0.840 in
Item # U-6643-1.250LG, Wall Auger Bit Vee Bottom, length 1.240 / 1.260 in