Combining comfort, control and convenience, Speedball?s Lino Handles are made from a hard plastic and contain a removable end for storage of Lino Cutters. Speedball Lino Handles also have a hand-adjustable metal chuck that make removing and replacing cutters a breeze! Includes (3) of each color (Red, Blue, Green, Yellow). COMFORTABLE GRIP Lino handle is made of hard plastic and is designed to fit comfortable in the hand CONVENIENTLY STORES CUTTERS Removable end cap allows for convenient and safe storage of cutters inside the handle EASILY REMOVE CUTTERS Features a handadjustable metal chuck making removing and replacing cutters a breeze USE WITH SPEEDBALL CUTTERS Designed to work with Speedball linoleum cutters GREAT FOR STUDIO OR CLASSROOM 12Pack includes 3 each Red, Blue, Green, and Yellow Lino Handles