SMBQ4XFA-SSBracket: Kit for 12 mm (1/2 in); Rod Bracket Systems for: Q4X, QS18, QS30; Includes 3/8-16 X 2 in. Socket Head Cap Screw (SHCS); Sta3802396
SMBQ4XFAM12-SSBracket: Kit for 12 mm (1/2 in); Rod Bracket Systems for: Q4X, QS18, QS30; No Socket Head Cap Screw (SHCS) Included; Stainless Steel3802398
SMBQ4XFAM10-SSBracket: Kit for 10 mm (3/8 in); Rod Bracket Systems for: Q4X, QS18, QS30; Includes M10-1.5 x 50 mm; Socket Head Cap Screw (SHCS); S3802397
