11 Pcs Acrylic Bookbinding Spacer Tool 3/4/5/6/7/8/9/10/20/30mm Clear Acrylic Bookbinding Ruler T Shape Straight making kit

11 Pcs Acrylic Bookbinding Spacer Tool 3/4/5/6/7/8/9/10/20/30mm Clear Acrylic Bookbinding Ruler T Shape Straight making kit

Aliexpress UK