3M 05440 Hand Sanding Block, 2 3 4 in x 5 in, PSA, PK10 8990800 Seat Color Black Seat Color Black Rusty Fittings Lodged Inside Pipes Function Hex body allows for use of adjustable wrench for added torque Standards GGG W643b Measurement Type SAE Number of Ends 1 Handle Type One Piece Insulated No Adjustable Not Adjustable Measuring Scale No Compatible with Manufacturer Part Number 139 4 For Thread Type NPT Color Gray Jaw Texture Serrated Corrosion Resistant Yes Ratcheting No For Pipe Material Copper Pad Shape Rectangle Length 5 in Width 2 3 4 in Attachment Type PSA Material Plastic w Rubber Face For Use With 1 3 Sheet Abrasive Mounting Type PSA Device Material Plastic Color Yellow Compatible Abrasive Type PSA Discs Overall Length 5 in Pad Shape Rectangle Overall Width 2 3 4 in Package Quantity 10 Country of Origin United States