Aluminium Rafter Square

Siv txhuas siv sijhawm siv

Lub cev dub nrog laser kawm tiav tiav muab qhov nyeem tau ntau tshaj plaws hauv txhua qhov teeb pom kev zoo

Cov cuab yeej siv ntau yam yog qhov zoo rau kev siv raws li 0 ° rau 90 ° protractor scale

Ua haujlwm zoo li pom phau ntawv qhia

Loj: 7 ”, 12”

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