基本尺寸			型號
			Model
d[mm]	D[mm]	B[mm]
	23		NK 15/16
	23		NK 15/20
	23		RNAO 15x23x13
	22		RNA 4900 RS
	22		NK 14/16
	22		RNA 4900
	22		NK 14/20
	22		RNA 4900.2RS
	22		RNAO 12x22x12 TN
	19		NK 12/16
	19		NK 12/12
	17		RNAO 10x17x10 TN
	17		NK 10/12 TN
	17		NK 10/16 TN
	16		NK 9/16 TN
	16		NK 9/12 TN
	15		NK 8/12 TN
	15		RNAO 8x15x10 TN
	15		NK 8/16 TN
	14		RNAO 7x14x8 TN
	14		NK 7/10 TN
	14		NK 7/12 TN
	12		NK 6/10 TN
	13		RNAO 6x13x8 TN
	12		NK 6/12 TN
	10		NK 5/10 TN
	10		NK 5/12 TN
	10		RNAO 5x10x8 TN
	68		HK 6020
	68		HK 6012