Item specifications:
Outer diameter: 4.8 mm, 6 mm, 7 mm, 8 mm, 9.9 mm, 11.7 mm, 14.7 mm, 18.7 mm, 23.5 mm, 29.9 mm
Material: ceramic
Quantity: 40 pieces (4 pieces of each size)
Colour: black
Package contents:
4 x 4.8 mm rod guide ring, 4 x 6 mm rod guide ring, 4 x 7 mm rod guide ring, 4 x 8 mm rod guide ring, 4 x 9.9 mm rod guide ring, 4 x 11.7 mm rod guide ring, 4 x 14.7 mm rod guide ring, 4 x 18.7 mm rod guide ring, 4 x 23, 5 mm rods Guide ring 4 x 29.9 mm rod guide ring