Wood Screws 1/2 Inch 160 PCS Premium Phillips Truss Head Black Wood
Can achieve the effect of connection tightening. Adopting high-precise cutting technology, the screws thread is very precise, clean, and sharp, the deep clear thread and sharp point can easily penetrate the wood and plastic and ensure a secure hold, is not easy to deform and slid while using.
2 Pack pH Test Strips 160 Strips Universal 1-14 Litmus Paper Water Soil
It might lead to incorrectly showing test results. It will perfectly indicate the real acidity or alkalinity substance. You have to create a solution, using a dropper to drop a small amount of liquid on the test paper, use cotton swabs to dip the test material dripped into the middle of test paper to see the color change.
Red Dot Screw Kit, M3, M3.5, M4, #4-40, #6-40, #8-40, #6-32, #6-48 12.9G Flat He
M3, M3.5, M4, #4-40, #6-40, #8-40, #6-32, #6-48 screws in 6mm, 8mm, 10mm, 12mm and 14mm length. The 160 pieces high-strength Torx screw set includes 8 types (M3, M3.5, M4, #4-40, #6-40, #8-40, #6-32, #6-48) in 5 lengths (6, 8, 10, 12, 14mm), 4 pieces screws of each length.