To provide a work tool capable of facilitating extension work of a tunnel in a tunnel cultivation.SOLUTION: There is provided a tape stretch tool in which, a spring end on one end of a coil spring (8) is extended for forming a holding body A(2) with a holding hole (9) and the spring end is extended to a position of an arrow (11), and by a holding body B(3), a range from a holding hole (9) to a handle (4) is a series of integrated structure, in the tape stretch tool.SELECTED DRAWING: Figure 1【課題】トンネル栽培におけるトンネルの張設作業を手軽に行える作業具を提供する。【解決手段】コイルバネ(8)の一端のバネ端を延長して挟み口(9)とともに挟み体A(2)を形成しながら矢印(11)の位置まで延長し、挟み体B(3)で挟み口(9)から取っ手(4)まで一連一体の構成としたテープ張り具。【選択図】図1