??STEEL QUALITY MATERIAL?These button head torx security screws are made of consistent quality stainless steel, so it is tough enough to withstand bad environment. Rust proof and corrosion proof material properties and that are promising a long service life. ??PRODUCT TYPE? Stainless Button Head Torx Security Screws Tamper Resistant Screws. Deep thread, smooth surface and precise screws thread and that will securely work without slipping. ??PACKAGE QUANTITY?Package includes 110 Pcs security screws, also comes with one bonus bit, offering ease of use by hand or with a power driver. For more size detail, please refer to second product pictures. ??PROVIDE SAFETY?These stainless screws feature special structure and they have special anti theft function. These screws have great applications to prevent accidents or theft such as: outdoor guardrails, framed artwork, security camera, locks, electronic products, household appliances, public facilities and so on. ??QUALITY AFTER-SALE SERVICE? If you do not satisfy with our products or if you have any questions, please come to us. We would work out satisfactory solution to all your problems. 12 hours quick response. 110Pcs 8Sizes M5 Button Head Torx Security Screws Stainless Steel Tamper Proof Screws w T25 Bit, M5x8/10/12/16/20/25/30/40 Specifications: Drive Type: Security Torx Drive; Head Style: Button Head; Material: 304 Stainless Steel; Main Color: Silver Tone; Package Includes: M5X8-----20pcs M5X10-----20pcs M5X12-----20pcs M5X16-----15pcs M5X20-----10pcs M5X25-----10pcs M5X30-----10pcs M5X40-----5pcs Bonus bit---1pc Package Quantity: 110Pcs.