Wooden Clamp Material: Maple Wooden ClampMaple Cam ClampFeatures:These durable clamps work with a simple cam action, no screwing and no slipping.Bar is made of spring steel, with a cork face to prevent marring and staining.It is used to glue and clamp on delicate surfaces.Widely used by furniture restorers, cabinetmakers and wood workers.Item No.SizeHJ-HS 2004-1/4''HJ- HS 2016''HJ- HS 2027-1/2''