1.SUITABLE FOR: Can be used on Bait Casting fishing rod, lure rod, saltwater rod, rod tip repair kit, DIY tools, fishing rod guide thread set accessories. 2.MATERIAL: Stainless steel & ceramic ring. With double leg laser rainbow colorful ceramic ring, good looking, top quality. 3.SIZE & DIAMETER(OUTSIDE x INSIDE): 6# -- 0.7x0.4mm, 8# -- 0.9x0.5mm, 10# -- 1.1x0.7mm, 12# -- 1.3x0.8mm, 16# -- 1.7x1.0mm, 20# -- 2.1x1.3mm, 25# -- 2.7x1.7mm, 30# -- 3.3*2.3mm. 4.QUANTITY: 75 Pcs in plastic box, 6#x10pcs, 8#x10pcs, 10#x10pcs, 12#x10pcs, 16#x10pcs, 20#x10pcs, 25#x10pcs, 30#x5pcs. 5. BUY WITH CONFIDENCE:24h friendly customer service and email support. If you have any problem, our customer support will reply you within 24 hours. SPECIFICATION:
Determining the type and size of guides for your rod building project at first, on tip guides the Tube Bore ‘TB’ is the internal diameter of the tube.

Rod TIP TUBE BORE INNER DIAMETER:
6#: 1.65mm,
6#: 1.88mm,
8#: 2.1mm,
8#: 2.3mm,
8#: 2.55mm,
8#: 2.73mm,
10#: 2.97mm,
10#: 3.15mm.

SINGLE FOOT RING INNER DIAMETER:
6#: 3.7mm/0.15in,
8#: 5.1mm/0.2in,
10#: 6.7mm/0.26in,
12#: 8.3mm/0.33in,
16#: 10.6mm/0.42in,
20#: 13.8mm/0.54in,
25#: 18.1mm/0.71in,
30#: 23.2mm/0.91in.

DOUBLE FOOT RING INNER DIAMETER:
6#: 3.92mm/0.15in,
8#: 4.92mm/0.19in,
10#: 6.84mm/0.27in,
12#: 8.25mm/0.32in,
16#: 10.7mm/0.42in,
20#: 13.9mm/0.55in,
25#: 18.1mm/0.71in,
30#: 23.5mm/0.93in.

These rod repair kit are made of premium stainless steel frame and ceramic ring, anti-rust, corrosion resistant and wear-resistant guide eye ring, sturdy and durable.
The coating reduces friction on the line and tangle resistant, allowing it to move smoothly.