This type of anti-splinter guard is used on a variety of Bosch jigsaws, this item is placed in the base plate of the jigsaw and prevents splinters of wood moving above the work surface. (sometimes referred to as a jigsaw guide) Suitable for Bosch jigsaw models: GST 14.4 V; GST 18 V; GST 75 BE; GST 80 Professional; PST 650; PST 650 L; PST 680 E; PST 680 EL; PST 700 PE; PST 800 PEL; PST 900 PEL; PST 1000 CE.