... with plastic handle 1)45# carbon steel 2)hardness 38~43HRC 3)supply ability:50,000 piece/pieces per day Adjustable Wrench With Plastic ... daysplastic handle2.About factory: Our main products are double open end spanner, ring spanner, combination spanner, adjustable ... spanner, socket spanner, cutting pliers, saw blade, pipe wrench ,bolt cutter, screwdriver bit, hexagonal ...