200 Pcs M4 M5 M6 Thumb Screws, Metric Male Thread Knurled Thumbscrews, Flat Head Thumb Screws, Clamping Knobs Grip Thumb Screws, Grip Knobs Clamping Screws, Hand Clamping Handle Bolt Knobs

Product description

• Sturdy and Durable Material Knurled thumb screws are made of high-quality metal and plastic with exquisite craftsmanship, good hardness, and strength, strong anti-aging and insulation properties, sturdy and durable, with long-lasting stability and durability.
• Male Thread Knurled Clamping Knobs Thumb screws feature an ergonomic handle design that provides thumb and index finger leverage for turning, increasing grip, and enabling comfortable operation.
• Easy to Operate and Control Easy to install, no tools required, just align the internal threads with the screws and then rotate them directly by hand to install or remove. The knobs are tight, have smooth threads, and are anti-slip for increased grip and comfortable operation.
• Package Includes 200 pieces in total, sizes and quantities include 35 pcs m4x12mm, 30 pcs m4x16mm, 15 pcs m4x20mm, 10 pcs m4x25mm, 25 pcs m5x12mm, 20 pcs m5x16mm, 15 pcs m5x20mm, 10 pcs m5x25mm, 10 pcs m6x12mm, 10 pcs m6x16mm, 10 pcs m6x20mm, 10 pcs m6x25mm. The quantity is sufficient and the sizes are rich to meet the needs of use in multiple scenarios and fields.