Atopoler 26-Pack Woodworking Chamfer Drilling Tools Including 6 Countersink Drill Bits 7 Three Pointed Countersink Drill Bit with L-Wrench 8 Wood Plug Cutter 3 Step Drill Bit and Automatic

Detailed description: 7PCS WOODWORKING COUNTERSINK DRILL BITS SET Material: HSS Size: 3mm(Dia) x 60mm(L) 4mm (Dia)x 75mm(L) 5mm(Dia) x 85mm(L) 6mm (Dia)x 93mm(L) 7mm(Dia) x 10mm(L) 8mm (Dia)x 11mm(L) 10mm(Dia) x 12mm(L) 6PCS 5 FLUTE COUNTERSINK DRILL BIT Material: HSS Surface treatment:Titanium Coated. Edge: 90 degrees. Handle diameter: 1/4 hex shank. Size: 6mm(1/4 ) 8mm(5/16 ) 9mm(3/8 ) 12mm(1/2 ) 16mm(5/8 ) and 19mm(3/4 ). 8PCS WOOD PLUG CUTTER TOOL DRILL BITS Material: 45# carbon steel. Shank: 3/8 (10mm) round shank. Shank diameter: 9.3mm. Size : 5/8 (wood plug 15.8mm) 1/2 (wood plug 12.7mm) 3/8 (wood plug 9.5mm) 1/4 (wood plug 6.3mm) 3PCS HIGH-SPEED STEEL STEP DRILL BIT SET: Material: high-speed titanium-plated steel Size: 4-32mm (4mm 6mm 8mm 10mm 12mm 14mm 16mm 18mm 20mm 22mm 24mm 26mm 28mm 30mm 32mm) 4-20mm (4mm 6mm 8mm 10mm 12mm 14mm 16mm 18mm 20mm) 4-12mm (4mm 6mm 8mm 10mm 12mm) (Due to the manual measurement there will be an error of 1-3 cm.)