The Wall Control Pegboard 5.1cm x 5.1cm C-Bracket Slotted Metal Pegboard Hook for Wall Control's Pegboard and Slotted Tool Board is a great tool board accessory for narrow items that feature a head larger than 5.1cm x 5.1cm such as mallets, tape guns, and certain pliers and wrenches.The slotted holes in the C-Bracket pegboard hook also allow for attachment of additional pegboard and tool board items that can bolted on such as Wall Control's Spring Clips (sold separately).Wall Control Slotted Metal Pegboard Hooks feature a scratch and rust resistant baked-on Red finish.These more secure and stable tool board hooks are for use with the slots found in all Wall Control Metal Pegboard tool board panels.Wall Control Slotted Tool board hooks offer a patented engagement that requires two deliberate motions up-and-down to engage and disengage the hooks.This feature makes Wall Control Slotted Pegboard hooks less likely to fall out of the tool board than conventional peg hooks that can easily fall off when tools are removed.Although Wall Control Metal Pegboard Panels will accept conventional 0.6cm pegboard accessories as well as Wall Control Slotted Accessories the Slotted Secure Tool Board Hooks included in this set are only for use with Wall Control Metal Pegboard Panels and Tool Boards.Wall Control Pegboard Products are Made in the USA (2) Red 5.1cm x 5.1cm C-Bracket Slotted Metal Pegboard Hooks Included per Pack Only for use with Wall Control Pegboard and Slotted Tool Board Panels.