Senco s150ls pneumatic semi pro narrow crown stapler is a medium wire stapler and offers oil free operation with a lightweight design it drives 18 gauge narrow crown staples with a crown width of 64mm and in lengths of 10 38mm ideal for furniture cabinets panelling and upholstery it comes with depth adjustment for accurate fastening a no mark pad and comfort grip plus an easy clear nose to make sure jams dont stop you working comes with a 1 year warranty specifications requires a 14in tailpiece