Tub Drain Wrench Alloy Steel Wrench Size 3/8 in Overall Length 4 in Overall Diameter 1 3/8 in Quickly Extracts Tub Drains Utilizes a Standard 3/8 in Drive Ratchet to Remove Tub Drains Even When the Cross Arms are Broken Installs New Drains Removes Bolts/Screws Where the Heads are Broken Off or Just Won t Move For Removing or Installing Tub Drains SAE Manual Self-Adjusting