GRK GRK 10275 RSS™ Rugged Structural Screw 3 8" x 4" Bulk Box (400 Count) Rechargeable Extinguisher Embed tape and smooth pear head Embed tape and smooth out final layer of mud for sharp corners Flexible stainless steel blade material Inside angle (size): 103° flexes to 90° (4” x 5”) Outside angle (size): 80° flexes to 90° (5” x 3 ¾”) Comes with resilient soft grip DuraSoft® handle with finger guard Made in the USA with Global Materials Help Maximize User Control Help prevent accidental activation with a dual action on switch and a large shut off actuator that provides a quick shut down CEE Thread™: Enlarges the screw hole for the non threaded shank Manufactured from case hardened steel