Diamond welded tip for greater life and durability. Reverse spiral thread delivers continuous water feed for longer life and increased speed. Core ejection slot removes plug for repetitious holes. Ideal for cutting anchoring and clearance holes in all tile, stone and glass. No. 49-56-0503: Bit Size: 3/16", Length: 2-1/8", Type Of Tip(s): Diamond, Shank Diameter: 1/4", Pkg Qty: 1, Package Type: Clamshell No. 49-56-0505: Bit Size: 1/4", Length: 2-1/8", Type Of Tip(s): Diamond, Shank Diameter: 1/4", Pkg Qty: 1, Package Type: Clamshell No. 49-56-0507: Bit Size: 5/16", Length: 2-1/8", Type Of Tip(s): Diamond, Shank Diameter: 1/4", Pkg Qty: 1, Package Type: Clamshell No. 49-56-0509: Bit Size: 3/8", Length: 2-1/8", Type Of Tip(s): Diamond, Shank Diameter: 1/4", Pkg Qty: 1, Package Type: Clamshell No. 49-56-0511: Bit Size: 1/2", Length: 2-1/8", Type Of Tip(s): Diamond, Shank Diameter: 1/4", Pkg Qty: 1, Package Type: Clamshell No. 49-56-0513: Bit Size: 5/8", Length: 2-1/8", Type Of Tip(s): Diamond, Shank Diameter: 1/4", Pkg Qty: 1, Package Type: Clamshell No. 49-56-0515: Bit Size: 3/4", Length: 2-1/8", Type Of Tip(s): Diamond, Shank Diameter: 1/4", Pkg Qty: 1, Package Type: Clamshell No. 49-56-0517: Bit Size: 1", Length: 2-1/8", Type Of Tip(s): Diamond, Shank Diameter: 1/4", Pkg Qty: 1, Package Type: Clamshell