Packing Quantity:
If you make an order on 1pc SGB20-3UU and you will get hold of solely 1pc SGB20-3UU
1 set=1 pc linear guide SGR20 + 1 pc SGB20UU blocks
*SGB20-3UU LOCKING and SGB20-4UU LOCKING
These two sliders can be locked by means of the L-wrench