Allows precise application of glue with minimal squeeze-out. Centring attachment fits onto standard spout to keep glue bead locked on centre when edge gluing. Funnel makes transferring glue from jug to bottle a mess-free task. Attachments made from easy-to-clean materials: HDPE plastic, polypropylene, silicone and thermoplastic rubber. Includes standard glue spout, silicone brush for wider boards, roller for very wide boards, and mortise tip for traditional mortises, domino mortises and biscuit slots. Centring attachment maximum thickness 29mm (1-1/8") .