A method of joining two pieces of lumber end-to-end by sawing into the end of each piece a set of projecting "fingers" that interlock. When the pieces are pushed together, these form a strong glue joint
Uses:
molding
Panel
House fascia
Door and window jambs
Furniture
Characteristics:
high-quality
Highly resistant and durable
Easy to use
Highly resistant
durable and  standing well to various weather conditions
Easy to  finish (paint/stain/varnish)
Specifications:
1) Dimensions:   thickness: max 100mm
                          width: max:1250mm
                          length: max:6000mm
2) Glue: formaldehyde free
3) Moisture Content: 10%+-2
4) Clear, no stain, no  pinhole, no warm, no delamination
5) surfaced 4 sides and sanded to 240u
6) Grade: AA, AB, BB.