Penis museum Icelandic Phallological Museum blooloop BOX OF No.20 SPLINES (1000 U). #20 sized biscuits measure in at 56 x 23 x 4 mm. Slot depth 12 mm. Wood origin: FSC certified beech wood. Diagonal fibre orientation gives optimal stability and excellent breaking strength. Grid surface designed to allow uniform glue allocation Raised glue rails allows tight fit into the groove and at the same time leave space for glue. Expands on contact with water based glues for maximum reinforcement Maximize joint strength and squareness in lumber, plywood, composite board, and more. Includes 1000 woodworking biscuits in a box. Compatible with the models: AB11, AB111N, AB11C, O81, O81N