Oval M0.5, Oval M0.8, Oval M1.0, Oval M1.2, Oval M1.5, Oval M2.0, Oval M2.5, Oval M3.0, Oval M4.0, Oval M5.0, Oval M6.0, Oval M8.0, Oval M10, Oval M12, Two -hole 8 -shaped M1.2, Double hole 8-shaped M1.5, Double -hole 8 -shaped M2.0, Double hole 8-shaped M2.5, Two -hole 8 -shaped M3.0, Double -hole 8 -shaped M4.0, Two -hole 8 -shaped M5.0, Two -hole 8 -shaped M6.0, Double hole 8-shaped M8.0, Two -hole 8 -shaped M10, Double hole 8-shaped M12, Round holes M1.0, Round holes M1.2, Round hole type M1.5, Round hole type M2.0, Round hole type M2.5, Round holes M3.0, Round hole type M4.0, Round hole M5.0, Round hole type M6.0, Round holes M8.0