EDM - ROUTER BITS SET - 35 pc 1/4" inch Shank CARBIDE KIT ALUMINUM CASE SAE Case dimensions: 12.75 x 9 x 2.75"Router bits are in SAE measurements:- Core Box R1/8, R1/4"- 90* V Grooving 1/2"- Round Nose R1/4"- Mortising 1/2"- Dovetail 1/2, 1/4"- Straight 1/8, 1/4, 3/98, 1/2, 3/4"- Panel Pilot 1/4"- Flush Trim 3/8x1/2", 3/8x1". 1/2x1/2", 1/2x1, 3/4x1"- 45* Chamfer 1/2"- Cove R1/4, 3/8"- Rabbeting 1/4, 5/16, 3/8"- Classical Cove R5/16"- Mave Edge R3/16"- Beading R1/2"- Double Roman R3/16", R1/4"- Roman Ogee R5/32, 1/4,"- Rounder Over R1/4, 3/8, 1/2"Their equivalents in metric are:- Straight x 3.2mm/6.35mm/12.7mm/25.4mm/9.5mm/19mm- 90 V groove R3.2mm;- Core box 6.35mm;- Flush trim 9.5mm 12.7mm 19mm 45- Chamfer 30mm- Roman ogee R4mm R6.35mm Cove 6.35mm R9.5mm- Wave edge R4.76mm- Dove tail 12.7mm 14.3mm- Mortising 12.7mm- Pound nose R6.35mm 90- V groove 12.7mm- Panel pilot 6.35mm- Corner round R6.35mm R9.5mm R12.7mm- Slot cutter 6.35mm 7.9mm 9.5mm- Beading R12.7mm- Classical core R7.9mm- Classical R4.76mm 6.35mm Product Description: This comprehensive set of Tungsten Carbide tipped bits should fulfill just about all needs.These router bits can be re-sharpened as necessary.Manufactured using sealed bearings, contained within a custom made aluminum carrying case with handle and twin clasp closures.