Brick Tester

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Be able to expand freely and select the required length
Excellent material, durable
Sponge handle, makes it portable, comfortable and shockproof. antiskid and shockproof
It can be used to check whether the walls, floors, ceilings, tiles, etc. of the house are empty
Stainless steel telescopic design with reinforced pressure groove make it a firm and durable product
Sponge handle makes it portable, comfortable and shockproof
It can be freely telescopic to easily detect the wall
Easy to use, gently tap the wall to determine the scope of the cavity wall
It can be also used for tour guides, blackboard presentations and operational instructions

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