Double open end spanner 1. CRV DIN Standard 2. Mirror , Satin , Matt Finish 3. Set or Single 4. ... /16,3/4x13/16,7/8x15/16 8x1/4”-1-1/16” 1/4x5/16,3/8x13/32,7/16x1/2,9 ... 8x11/16,3/4x13/16,7/8x15/161x1-1/16 9x1/4”-1-1/4” 1/4x5/16,3/8x13/32,7/16x1/2 ... 16,3/4x13/16,7/8x15/1615/16x1,1-1/8x1-1/4 10x1/4”-1-1/16” 1/4x5/16,3/8x1/2,9/16x19 ... 16x7/8,7/8x15/16,15/16x1,1x1-1/16 12x1/4”-1-1/4” 1/4x5/16,3/8x13/32,7/16x1/2 ...