1) . L4 size is based on the sealing form. Please check the sealing form for details.
2) The GZB series BA / BAL slide block is narrow high type, and the mounting hole on the top surface of the slide block is a screw hole.
3) Three rows of mounting holes are symmetrically distributed on the top surface of slide block gzb85, gzb100 and gzb125, with a total of 9 holes.