hooks, bars and racks Modular Racks Custom Rack Design Design your own custom rack from our list of stock parts. Material: Steel Bar and Spring Steel Color: Metal TTH - "T" Top Hook STH - Shepherd Top Hook TCB-SH Series (Top Cross Bars) Caplugs No. RTH - Ring Top Hook TCB - Top Cross Bar Smart Barâ„¢ Length TCB-24 24" TCB-36 36" TCB-48 48" SPLINE-SH Series (Splines) Caplugs No. CB - Rectangular Cross Bar Length SPLINE-24 24" SPLINE-36 36" SPLINE-48 48" CB-SH Series (Rectangular Cross Bars) Spline Rod & Clip Set Caplugs No. CB-24 24" CB-36 36" CB-48 48" BCB-SH Series (Bottom Cross Bars) Caplugs No. BCB - Bottom Cross Bar Length Length BCB-24 24" BCB-36 36" BCB-48 48" TH-SH Series (Top Hooks) STH Shephard Top Hook TTH "T" Hook RTH Ring Hook ROD-SH Series (Rod and Clip Sets) Caplugs No. 280 Length ROD-3/16-24 24" ROD-3/16-36 36" ROD-3/16-48 48" ROD-1/4-24 24" ROD-1/4-36 36" ROD-1/4-48 48" ROD-3/8-24 24" ROD-3/8-36 36" ROD-3/8-48 48" * For other material and color options, contact customer service.