Features:1.This type of shields feature a strong tread-resistance.easy to be operated.long lifetime,Website:://.anessbreaker.com,good tightness and non-deformation upon impact by hard objects.2.These shields have a long travel range.which has very little compression.The lengthratio is 1:10.3.It has no internal metal parts which falling onto slideways may cause serious damage tomachines,4.It can reach speed up to 200mt./min.5.Resists to coolants as it doesn't have sticked parts.