... /WA 2.safe,sharply,durabile 3.2 nets outside,80m/s for steel abrasive disk1.It is made of first grade material ... , 2nets in outside of the disc.4.It is used for ss,carbon steel , and others like metal and high mild ... so on .5. The speed can be up to 80m/s with 2 nets otside .6. our brand is "SURPASS ", we ... got ISO 9001 and can OEM your brand. SizeInchTypeSpeed(m/s)R.P.MCtn Qty100*1*164*1/25*5/8T41 ...