Home Slickdeals Office Depot Semicircular 6in. Protractor (Clear) $0.16 + Free Shipping (& Much... Slickdeals Office Depot Semicircular 6in. Protractor (Clear) $0.16 + Free Shipping (& Much More) By ARCOM - 1 November 2018 170 0 SHARE Facebook Twitter Go to the deal page: Office Depot Semicircular 6in. Protractor (Clear) $0.16 + Free Shipping (& Much More)