3M Paper Sheet 405U, 280 A-weight, 4-1/2 in x 5-1/2 in, 400/Carton a+|260|1648509365 Tempered blades are finished with

Tempered blades are finished with black oxide and super hardened for maximum quality

Through Hardened for best wear resistance

3-arm pattern

Length: 7-7/8 inch

3M Paper Sheet 405U, 280 A-weight, 4-1/2 in x 5-1/2 in, 400/Carton a+|260|1648509365 Tempered blades are finished withGeneral Information Brand 3M Coat Type Open Coat Sanding Type Dry Country Of Origin Canada Sold As Carton California Residents Proposition 65 Warning Dimensions and Specifications Backing Weight A Weight Grit 280 Overall Length (Imperial) 4. 5 in Overall Length (Metric) 114. 3 cm Overall Width (Imperial) 5. 5 in Overall Width (Metric) 139. 7 mm Micron Grade Non Pertinent Width 4. 76 in 12. 1 cm Height 3. 74 in 9. 5 cm Length 5. 87 in 14. 9 cm Volume