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Tray: 46 cm x 14
This set contains a wooden block and four bolts which screw into permanently fixed
5 cm x 5 cm x 0
a thick outline
Hexagon-Head Screw Set skeleton-puzzle Tray: 46 cm x 14This set contains a wooden block and four bolts which screw into permanently fixed, threaded receptacles. The board also has two insets: one for the wrench and one for holding the bolts once they've been removed. This set lets students practice the action of using a wrench by removing and re inserting four hex head bolts using the supplied tool. Features The wrench is made of a chrome plated alloy and features both open and closed sockets for engaging
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