The plastic qian bing of clamp of a kind of tool , what narrate plastic qian bing to be able to cover the part holding a power of park tool clamp , among them , the integral structure of plastic qian bing wraps synthesis by sub of one horniness model and photograph of sub of one soft qualitative model model , form in its whole structure have one with grasp can cover firm between the handle those who close wear a ministry , its feature depends on : sub of this horniness model is one by on , lower mould shapes directly , in its two side surround motherboard form have wear the side that cover a ministry , the mouth office that equips a ministry in its is formed have wear the side that cover a mouth , and empty section structure is shown to appear empty coping completely in its coping ; narrates weak qualitative plastic data is filled set in aforementioned to wear the side that cover a ministry , wear the side that cover a mouth and top between fully empty section , form soft wrap cladding plasticly character , shape wear the structure that cover a ministry 一种工具钳的塑胶钳柄，所述塑胶钳柄可套置于工具钳的握柄处，其中，塑胶钳柄的整体结构由一硬质塑胶层以及一软质塑胶层相包合成型，并在其整体结构中形成有一与握柄间可稳固套合的穿套部，其特征在于：该硬质塑胶层为一由上、下模直接成型、在其底板两侧边围形成有穿套部侧边，在其穿套部的开口处形成有穿套口侧边，以及在其顶部为一完全透空的顶部透空区段结构；所述的软质塑胶材料填设在前述的穿套部侧边、穿套口侧边以及顶部透空区段间，构成软质塑胶的包覆层，并成型穿套部结构。
