Frame to frame (element screws) with small headed screws are fast, strong and easy to use. Frame to frame (element screws) are excellent for case assembly or installing crown molding or trim. Frame to frame (element screws) will grip tight in solid wood or particle board and their small head (3/16" dia.) is easy to hide with filler. #1 square drive head, black oxide coated steel, #6 x 1-5/8" long, 100 per bag. Zinc and yellow zinc can increase durability of the Frame to frame (element screws)