ag miroll галзуу 0 25 мм. ag miroll roller 0 25 mm - vodafone-alumni 200 N and 1 kN Roller Grips - Know More. Note 1 The 25 mm and 45 mm grip rollers are used for JIS K6251 No 1 and No 2 specimens, respectively Note 2 The upper and lower grip lengths shown are for an AG-X plus 5 kN setup Because roller grip sets are tailored to specific testing machine models,