[ Bright color pen refill ]: Wooden pen refills have bright and uniform colors, lines, and no agglomeration or breakage; Especially suitable for marking work on dark surfaces [ Waterproof Material ]: These white, blue, and green pen refills are made of safe and waterproof wax material, with a melting point of up to 194 F, which is not easy to melt and has a long service life [ Widely used ]: These pen refills can be widely used in industrial processing and production of wood, metal, paper, clothing, glass, ceramics, etc., for marking [ Accurate and practical ]: The 2.8mm pencil lead is more suitable for deep hole drawing than other pencil leads; It is a good helper for your construction work; Each kit is packaged in a portable plastic box to prevent damage to the refill and facilitate storage [ Package includes ]: 4 pack pen refill sets, including 8 white, 8 blue, and 8 green pen refills, which can be according to your needs Colour:As Shown Material:plastic Package Contents: 24 x Solid Carpenter Pencil Refills Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.