Blank on the reverse
Perfect for exploring new visual effects that are guaranteed to catch the eye
A spring loaded rod is fitted to give impulse when released and have 5 slots for different level of spring compression
In science they can be used to help understand life cycles or on a light panel for colour activities
ideal for children to view objects 30x closer than normal (imagine an ant 30 times bigger) with an adjustable focus and is supplied with a breakaway safety neck strap
Woodscrew 10X1.5-" Csk Posi Bzp Bx200 X145431 Blank on the reverseHardened steel, twin threaded, bright zinc plate finish. Available in 25 different sizes. Sizes include No. 4 x 1 2", No. 6 x 3 4", No. 6 x 1", No. 6 x 11 4", No. 6 x 11 2", No. 8 x 3 4", No. 8 x 1", No. 8 x 11 4", No. 8 x 11 2", No. 8 x 13 4", No. 8 x 2", No. 8 x 21 2", No. 8 x 3", No. 10 x 1", No. 10 x 11 4", No. 10 x 11 2", No. 10 x 13 4", No. 10 x 2", No. 10 x 21 2", No. 10 x 3", No. 12 x 11 2", No. 12 x 2", No. 12 x 21 2", No. 12 x 21 3", No. 12