Specification: Type: Glass Plate & Drill Material: Tungsten CarbideColor: Gold, as the picture showsDrill Bit Diameter: 3/4/5/6/8/10/12mm Size 3mm: Approx. 3*69mm (Diameter x L)4mm Size: Approx. 4*70mm (Diameter x L)5mm Size: Approx. 5*75mm (Diameter x L)6mm Size: Approx. 6*75mm (Diameter x L)8mm Size: Approx. 8*80mm (Diameter x L)10mm Size: approx. 10*85mm (Diameter x L)12mm Size: Approx. 12*86mm (Diameter x L)Quantity: 7pcs per setFeatures:Ideal for drilling holes in bathroom tiles or wall mirrors Strong strength and wear resistance, can be installed in a hand drill, electric drill.1/4" hex chuck for chucks and bit holdersNo shattering, novice easy to locate Small cutting resistance, improve trepanning speedDecorative, chip easy to be cleanEnsure smooth, accurate drilling of ceramic tile, marble, china, mirrors and glass carbide with reinforced head which prevents bits from breaking and ensures longer service lifePackage Included:7pcs x Drill Bits (bits only)Note:Please allow 1-5mm errors due to manual measurementItem color displayed in pictures may be slightly different showing on computer monitor, because self-payment monitors are not calibrated1) we accept Alipay, West Union, TT. All major credit cards are accepted through the payment processor's secure escrow.2) payment must be made within 3 days of placing the order.3) if you are unable to check out immediately after the listing ends, please wait a few minutes and try again, payments must be completed within 3 days. Shipping1.