Triton TS Shelf Pin Jig TSPJ

Amazon

7 drill guides for faster drilling on longer workpieces Integrated retractable side stops at 3 and 5mm for setting accurate distance from edge of workpiece Slot-together system joins two or more jigs without fixings for larger workpieces Reinforced clamping zone for added strength and safety Locating pin for easy hole referencing, Weight: 0.7054792384 pounds, Manufacturer: Triton

ManoMano

Simple slot-together system for joining 2 or more jigs. 7 drill guides spaced at 32mm intervals. Ideal for creating locating holes on adjustable shelving units such as cabinets and bookshelves. Incorporates retractable 30mm and 50mm side stops, plus a reinforced clamping zone. Includes pin, drill bit, collar and hex key, stored in the unit. - TSPJ

Electrical World

Simple slot-together system for joining 2 or more jigs. 7 drill guides spaced at 32mm intervals. Ideal for creating locating holes on adjustable shelving units such as cabinets and bookshelves. Incorporates retractable 30mm and 50mm side stops, plus a reinforced clamping zone. Includes pin, drill bit, collar and hex key, stored in the unit.