Features: brand new and high quality. Adopting high-precise cutting technology, the screw thread is very precise, clean, for sharp. Made of zinc and zinc alloy, resistant to rust,good corrosion resistance in bad environment,commonly have a for sharp point that helps penetrate the material. Mainly used in metal, plastic or board articles,such as gypsum boards, wooden board, partitions,etc. T-25 star bit screws, 32-100mm, meet your different needs. T25 countersunk for head screws can easily penetrate the wood and plastic and ensure a secure hold,is not easy to deform and slid while using. Specifications: Material: Zinc and Zinc Alloy Size: As the Picture Show Type: 32mm/38mm/44mm/50mm/63mm/75mm(#9)/75mm(#10)/89mm/100mm (10mm=0.39 inches) Note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Package includes: 1x T25 Countersunk for Head Screw