'Grating Clip, G-Clip, 316 Stainless Steel, Finish -, Fits Bearing Bar Height 1-1/2 In., Fits Bearing Bar Spacing 3/4 to 1 In., Fits Support Thickness 1/4 to 3/4 In., Fits Grating Opening Size 1 In., For Screw Size 1/4 In., Meets/Exceeds ASTM A-240, Includes 1/4-20 Hex Head Cap Screw, Package Quantity 50'