Nickel-plated steel
No. 19994 1” x 7/8”
No. 19995 1” x 1”
No. 19997 1 ¼” x 1 ¼”
No. 19998 1 ½” x 1 ½”
No. 19999 1 ¾” x 1 ¾”
No. 19990 1 ¾” x 2” (1 tongue)
No. 19920 1 ¾” x 2” (2 tongues)