This Sirius 12 piece router bit set includes the essential router cutters needed for general purpose use with a 1/4" machine. These professional quality 1/4" shank cutters come in a foam padded aluminium case with plastic bumpers and a durable latch to keep them securely packed away during transport. Features and Benefits • 1/4" shank router cutter set for general purpose use • Wide selection of bits • Suitable for cutting, grooving, chamferring, trimming and profiling • Foam padded storage case Contents • 1/4" Shank Straight Bit 6 x 20mm • 1/4" Shank Straight Bit 12 x 20mm • 1/4" Shank Straight Bit 16 x 20mm • 1/4" Shank 90 Degree Grooving Bit 12.7mm • 1/4" Shank 45 Degree Chamferring Bit 32mm • 1/4" Shank Dovetail Bit 12.7mm • 1/4" Shank Bearing Fuided Flush Trim Bit 12.7 x 13mm • 1/4" Shank Roundover Bit R6.3 / D22.2mm • 1/4" Shank Roundover Bit R9.5 / D28.6mm • 1/4" Shank Cove Box Bit R6.3 / D12.7mm • 1/4" Shank Cove Bit R6.3 / D22.2mm • 1/4" Shank Roman Ogee Bit R4 / D25.5mm • P