25 Piece Fully Ground HSS Cobalt Drill Bit Set1mm to 13mmSplit Point TipFully ground HSS with 5% Cobalt makes these ideal for drilling extra hard materials. 135 Split point tip enables bits to bite workpiece quickly reducing the need for centre mark. Drills can be resharpened without affecting their performance. Supplied in metal storage caseFeatures: Fully ground HSS with 5% Cobalt makes these ideal for drilling extra hard materials. 135 Split point tip enables bits to bite workpiece quickly reducing the need for centre mark. Drills can be resharpened without affecting their performance. Supplied in metal storage case. Sizes: dia 1-13mm in 0.5mm increments. Specification: Contents -dia 1, 1.5, 2, 2.5, 3, 3.5, 4, 4.5, 5, 5.5, 6, 6.5, 7, 7.5, 8, 8.5, 9, 9.5, 10, 10.5, 11, 11.5, 12, 12.5, 13mm Net Weight -1.36kg Further Information We sell a wide variety of tools and workshop equipment for both the DIY and Professional markets. Alias: ys01064 Loops 25 Piece Fully Ground HSS Cobalt Drill Bit Set - 1mm to 13mm - Split Point Tip